./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_22_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_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 709e403a8a132b9f269e58f6098236a6dcc8a76eebff61b0f6fd392cf5df68e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:02:02,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:02:02,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-12-02 18:02:02,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:02:02,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:02:02,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:02:02,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:02:02,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:02:02,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:02:02,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:02:02,867 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:02:02,868 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:02:02,869 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:02:02,869 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:02:02,870 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:02:02,870 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:02:02,871 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:02:02,872 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:02:02,872 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:02:02,873 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:02:02,874 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:02:02,874 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:02:02,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:02:02,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:02:02,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:02:02,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:02:02,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:02:02,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:02:02,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:02:02,879 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 18:02:02,879 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 18:02:02,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:02:02,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:02:02,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:02:02,881 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:02:02,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:02:02,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:02:02,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:02:02,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:02:02,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:02:02,882 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:02:02,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:02:02,882 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:02:02,883 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:02:02,883 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:02:02,883 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:02:02,883 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 709e403a8a132b9f269e58f6098236a6dcc8a76eebff61b0f6fd392cf5df68e3 [2023-12-02 18:02:03,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:02:03,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:02:03,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:02:03,145 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:02:03,145 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:02:03,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_22_good.i [2023-12-02 18:02:06,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:02:06,346 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:02:06,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_22_good.i [2023-12-02 18:02:06,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/data/3e5b4f5e1/cfe7ff4068784e7ab963e01801a56f8a/FLAG2b09f4ed3 [2023-12-02 18:02:06,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/data/3e5b4f5e1/cfe7ff4068784e7ab963e01801a56f8a [2023-12-02 18:02:06,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:02:06,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:02:06,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:02:06,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:02:06,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:02:06,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:02:06" (1/1) ... [2023-12-02 18:02:06,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d39820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:06, skipping insertion in model container [2023-12-02 18:02:06,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:02:06" (1/1) ... [2023-12-02 18:02:06,473 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:02:07,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:02:07,406 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:02:07,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:02:07,651 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:02:07,651 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:02:07,651 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:02:07,651 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:02:07,652 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:02:07,660 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:02:07,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:07 WrapperNode [2023-12-02 18:02:07,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:02:07,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:02:07,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:02:07,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:02:07,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:07" (1/1) ... [2023-12-02 18:02:07,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:07" (1/1) ... [2023-12-02 18:02:07,727 INFO L138 Inliner]: procedures = 505, calls = 85, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 130 [2023-12-02 18:02:07,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:02:07,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:02:07,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:02:07,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:02:07,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:07" (1/1) ... [2023-12-02 18:02:07,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:07" (1/1) ... [2023-12-02 18:02:07,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:07" (1/1) ... [2023-12-02 18:02:07,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:07" (1/1) ... [2023-12-02 18:02:07,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:07" (1/1) ... [2023-12-02 18:02:07,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:07" (1/1) ... [2023-12-02 18:02:07,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:07" (1/1) ... [2023-12-02 18:02:07,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:07" (1/1) ... [2023-12-02 18:02:07,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:02:07,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:02:07,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:02:07,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:02:07,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:07" (1/1) ... [2023-12-02 18:02:07,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:02:07,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:02:07,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:02:07,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:02:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 18:02:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 18:02:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 18:02:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 18:02:07,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 18:02:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 18:02:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 18:02:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:02:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:02:07,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:02:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 18:02:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 18:02:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:02:07,981 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:02:07,983 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:02:08,146 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:02:08,187 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:02:08,188 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 18:02:08,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:02:08 BoogieIcfgContainer [2023-12-02 18:02:08,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:02:08,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:02:08,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:02:08,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:02:08,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:02:06" (1/3) ... [2023-12-02 18:02:08,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@265fd984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:02:08, skipping insertion in model container [2023-12-02 18:02:08,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:07" (2/3) ... [2023-12-02 18:02:08,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@265fd984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:02:08, skipping insertion in model container [2023-12-02 18:02:08,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:02:08" (3/3) ... [2023-12-02 18:02:08,199 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_22_good.i [2023-12-02 18:02:08,214 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:02:08,214 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-12-02 18:02:08,255 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:02:08,261 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=FINITE_AUTOMATA, 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;@55c50768, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:02:08,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-12-02 18:02:08,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 37 states have internal predecessors, (44), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 18:02:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 18:02:08,271 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:02:08,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:02:08,271 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 18:02:08,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:02:08,276 INFO L85 PathProgramCache]: Analyzing trace with hash -313064487, now seen corresponding path program 1 times [2023-12-02 18:02:08,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:02:08,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80354713] [2023-12-02 18:02:08,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:02:08,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:02:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:02:08,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:02:08,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:02:08,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80354713] [2023-12-02 18:02:08,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80354713] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:02:08,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:02:08,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:02:08,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222025220] [2023-12-02 18:02:08,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:02:08,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:02:08,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:02:08,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:02:08,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:02:08,571 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 37 states have internal predecessors, (44), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 18:02:08,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:02:08,619 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2023-12-02 18:02:08,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:02:08,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-12-02 18:02:08,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:02:08,630 INFO L225 Difference]: With dead ends: 50 [2023-12-02 18:02:08,630 INFO L226 Difference]: Without dead ends: 43 [2023-12-02 18:02:08,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:02:08,636 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 2 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:02:08,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 103 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:02:08,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-12-02 18:02:08,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-12-02 18:02:08,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 32 states have internal predecessors, (38), 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) [2023-12-02 18:02:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2023-12-02 18:02:08,680 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 10 [2023-12-02 18:02:08,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:02:08,682 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2023-12-02 18:02:08,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 18:02:08,683 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2023-12-02 18:02:08,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 18:02:08,684 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:02:08,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:02:08,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:02:08,685 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 18:02:08,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:02:08,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1115064438, now seen corresponding path program 1 times [2023-12-02 18:02:08,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:02:08,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911639995] [2023-12-02 18:02:08,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:02:08,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:02:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:02:08,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:02:08,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:02:08,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911639995] [2023-12-02 18:02:08,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911639995] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:02:08,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:02:08,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:02:08,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139162125] [2023-12-02 18:02:08,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:02:08,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:02:08,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:02:08,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:02:08,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:02:08,866 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 18:02:08,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:02:08,925 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2023-12-02 18:02:08,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 18:02:08,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-12-02 18:02:08,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:02:08,927 INFO L225 Difference]: With dead ends: 43 [2023-12-02 18:02:08,927 INFO L226 Difference]: Without dead ends: 42 [2023-12-02 18:02:08,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:02:08,929 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 17 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:02:08,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 108 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:02:08,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-12-02 18:02:08,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-12-02 18:02:08,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 31 states have internal predecessors, (37), 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) [2023-12-02 18:02:08,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2023-12-02 18:02:08,939 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 53 transitions. Word has length 11 [2023-12-02 18:02:08,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:02:08,939 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 53 transitions. [2023-12-02 18:02:08,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 18:02:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2023-12-02 18:02:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 18:02:08,941 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:02:08,941 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:02:08,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 18:02:08,942 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 18:02:08,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:02:08,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1197530071, now seen corresponding path program 1 times [2023-12-02 18:02:08,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:02:08,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812939744] [2023-12-02 18:02:08,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:02:08,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:02:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:02:09,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 18:02:09,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:02:09,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812939744] [2023-12-02 18:02:09,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812939744] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:02:09,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:02:09,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:02:09,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112023851] [2023-12-02 18:02:09,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:02:09,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:02:09,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:02:09,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:02:09,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:02:09,012 INFO L87 Difference]: Start difference. First operand 42 states and 53 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 18:02:09,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:02:09,034 INFO L93 Difference]: Finished difference Result 67 states and 81 transitions. [2023-12-02 18:02:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:02:09,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2023-12-02 18:02:09,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:02:09,036 INFO L225 Difference]: With dead ends: 67 [2023-12-02 18:02:09,037 INFO L226 Difference]: Without dead ends: 40 [2023-12-02 18:02:09,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:02:09,039 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 47 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:02:09,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 43 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:02:09,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-12-02 18:02:09,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-12-02 18:02:09,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 30 states have internal predecessors, (35), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-02 18:02:09,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2023-12-02 18:02:09,068 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 18 [2023-12-02 18:02:09,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:02:09,068 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-12-02 18:02:09,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 18:02:09,069 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-12-02 18:02:09,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 18:02:09,070 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:02:09,070 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:02:09,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 18:02:09,071 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 18:02:09,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:02:09,071 INFO L85 PathProgramCache]: Analyzing trace with hash 2055577627, now seen corresponding path program 1 times [2023-12-02 18:02:09,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:02:09,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644171811] [2023-12-02 18:02:09,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:02:09,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:02:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:02:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 18:02:09,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:02:09,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644171811] [2023-12-02 18:02:09,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644171811] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:02:09,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:02:09,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:02:09,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44749051] [2023-12-02 18:02:09,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:02:09,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:02:09,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:02:09,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:02:09,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:02:09,183 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 18:02:09,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:02:09,212 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2023-12-02 18:02:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:02:09,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2023-12-02 18:02:09,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:02:09,214 INFO L225 Difference]: With dead ends: 40 [2023-12-02 18:02:09,214 INFO L226 Difference]: Without dead ends: 39 [2023-12-02 18:02:09,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:02:09,216 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 2 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:02:09,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 77 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:02:09,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-12-02 18:02:09,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-12-02 18:02:09,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 29 states have internal predecessors, (34), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-02 18:02:09,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2023-12-02 18:02:09,226 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 19 [2023-12-02 18:02:09,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:02:09,227 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2023-12-02 18:02:09,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 18:02:09,227 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-12-02 18:02:09,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 18:02:09,228 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:02:09,228 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:02:09,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 18:02:09,229 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 18:02:09,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:02:09,229 INFO L85 PathProgramCache]: Analyzing trace with hash -701602907, now seen corresponding path program 1 times [2023-12-02 18:02:09,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:02:09,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114709885] [2023-12-02 18:02:09,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:02:09,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:02:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:02:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 18:02:09,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:02:09,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114709885] [2023-12-02 18:02:09,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114709885] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:02:09,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:02:09,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:02:09,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219226480] [2023-12-02 18:02:09,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:02:09,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:02:09,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:02:09,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:02:09,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:02:09,365 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 18:02:09,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:02:09,411 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2023-12-02 18:02:09,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 18:02:09,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2023-12-02 18:02:09,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:02:09,413 INFO L225 Difference]: With dead ends: 39 [2023-12-02 18:02:09,413 INFO L226 Difference]: Without dead ends: 38 [2023-12-02 18:02:09,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:02:09,415 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 15 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:02:09,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 95 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:02:09,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-12-02 18:02:09,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-12-02 18:02:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 28 states have internal predecessors, (33), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-02 18:02:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2023-12-02 18:02:09,424 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 20 [2023-12-02 18:02:09,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:02:09,425 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2023-12-02 18:02:09,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 18:02:09,425 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-12-02 18:02:09,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 18:02:09,426 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:02:09,426 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:02:09,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 18:02:09,427 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 18:02:09,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:02:09,427 INFO L85 PathProgramCache]: Analyzing trace with hash -701061288, now seen corresponding path program 1 times [2023-12-02 18:02:09,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:02:09,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940440050] [2023-12-02 18:02:09,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:02:09,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:02:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:02:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 18:02:09,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:02:09,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940440050] [2023-12-02 18:02:09,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940440050] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:02:09,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:02:09,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:02:09,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947053571] [2023-12-02 18:02:09,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:02:09,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:02:09,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:02:09,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:02:09,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:02:09,507 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 18:02:09,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:02:09,531 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2023-12-02 18:02:09,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:02:09,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2023-12-02 18:02:09,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:02:09,534 INFO L225 Difference]: With dead ends: 48 [2023-12-02 18:02:09,534 INFO L226 Difference]: Without dead ends: 42 [2023-12-02 18:02:09,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:02:09,536 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 18 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:02:09,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 65 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:02:09,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-12-02 18:02:09,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-12-02 18:02:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 30 states have internal predecessors, (34), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-02 18:02:09,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2023-12-02 18:02:09,547 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 20 [2023-12-02 18:02:09,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:02:09,548 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2023-12-02 18:02:09,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 18:02:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2023-12-02 18:02:09,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 18:02:09,549 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:02:09,549 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:02:09,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 18:02:09,550 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 18:02:09,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:02:09,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1453106291, now seen corresponding path program 1 times [2023-12-02 18:02:09,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:02:09,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168363902] [2023-12-02 18:02:09,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:02:09,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:02:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:02:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 18:02:09,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:02:09,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168363902] [2023-12-02 18:02:09,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168363902] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:02:09,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:02:09,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:02:09,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288310646] [2023-12-02 18:02:09,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:02:09,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:02:09,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:02:09,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:02:09,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:02:09,659 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-02 18:02:09,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:02:09,680 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2023-12-02 18:02:09,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:02:09,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2023-12-02 18:02:09,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:02:09,682 INFO L225 Difference]: With dead ends: 42 [2023-12-02 18:02:09,682 INFO L226 Difference]: Without dead ends: 41 [2023-12-02 18:02:09,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:02:09,684 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 2 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:02:09,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 75 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:02:09,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-12-02 18:02:09,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-12-02 18:02:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-02 18:02:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2023-12-02 18:02:09,692 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 25 [2023-12-02 18:02:09,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:02:09,693 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2023-12-02 18:02:09,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-02 18:02:09,693 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2023-12-02 18:02:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 18:02:09,694 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:02:09,694 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:02:09,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 18:02:09,695 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 18:02:09,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:02:09,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2096622177, now seen corresponding path program 1 times [2023-12-02 18:02:09,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:02:09,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528256754] [2023-12-02 18:02:09,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:02:09,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:02:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:02:09,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 18:02:09,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:02:09,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528256754] [2023-12-02 18:02:09,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528256754] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:02:09,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:02:09,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:02:09,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585974614] [2023-12-02 18:02:09,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:02:09,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:02:09,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:02:09,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:02:09,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:02:09,800 INFO L87 Difference]: Start difference. First operand 41 states and 47 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-02 18:02:09,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:02:09,818 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2023-12-02 18:02:09,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:02:09,819 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2023-12-02 18:02:09,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:02:09,819 INFO L225 Difference]: With dead ends: 41 [2023-12-02 18:02:09,820 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 18:02:09,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:02:09,821 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:02:09,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:02:09,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 18:02:09,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 18:02:09,822 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) [2023-12-02 18:02:09,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 18:02:09,823 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2023-12-02 18:02:09,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:02:09,823 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 18:02:09,823 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-02 18:02:09,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 18:02:09,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 18:02:09,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-12-02 18:02:09,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-12-02 18:02:09,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-12-02 18:02:09,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-12-02 18:02:09,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-12-02 18:02:09,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-12-02 18:02:09,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 18:02:09,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 18:02:09,903 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-12-02 18:02:09,904 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-12-02 18:02:09,904 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-12-02 18:02:09,904 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-12-02 18:02:09,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2023-12-02 18:02:09,905 INFO L902 garLoopResultBuilder]: At program point L1658(line 1658) the Hoare annotation is: true [2023-12-02 18:02:09,905 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2023-12-02 18:02:09,905 INFO L899 garLoopResultBuilder]: For program point L1658-1(line 1658) no Hoare annotation was computed. [2023-12-02 18:02:09,905 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2023-12-02 18:02:09,905 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2023-12-02 18:02:09,905 INFO L902 garLoopResultBuilder]: At program point L1609(line 1609) the Hoare annotation is: true [2023-12-02 18:02:09,905 INFO L899 garLoopResultBuilder]: For program point L1609-1(line 1609) no Hoare annotation was computed. [2023-12-02 18:02:09,905 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2023-12-02 18:02:09,906 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1656) no Hoare annotation was computed. [2023-12-02 18:02:09,906 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (= 0 ~CWE191_Integer_Underflow__int_fgets_predec_22_goodB2G1Global~0)) [2023-12-02 18:02:09,906 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-12-02 18:02:09,906 INFO L899 garLoopResultBuilder]: For program point L1651(lines 1651 1661) no Hoare annotation was computed. [2023-12-02 18:02:09,906 INFO L895 garLoopResultBuilder]: At program point L1647(line 1647) the Hoare annotation is: (and (= 0 ~CWE191_Integer_Underflow__int_fgets_predec_22_goodB2G1Global~0) (= ~CWE191_Integer_Underflow__int_fgets_predec_22_goodB2G2Global~0 1) (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_predec_22_goodB2G2Sink_~data#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-12-02 18:02:09,907 INFO L899 garLoopResultBuilder]: For program point L1647-1(line 1647) no Hoare annotation was computed. [2023-12-02 18:02:09,907 INFO L895 garLoopResultBuilder]: At program point L1643(line 1643) the Hoare annotation is: (and (= 0 ~CWE191_Integer_Underflow__int_fgets_predec_22_goodB2G1Global~0) (= ~CWE191_Integer_Underflow__int_fgets_predec_22_goodB2G2Global~0 1) (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_predec_22_goodB2G2Sink_~data#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-12-02 18:02:09,907 INFO L899 garLoopResultBuilder]: For program point L1643-1(line 1643) no Hoare annotation was computed. [2023-12-02 18:02:09,907 INFO L899 garLoopResultBuilder]: For program point L1577(lines 1577 1584) no Hoare annotation was computed. [2023-12-02 18:02:09,907 INFO L899 garLoopResultBuilder]: For program point L1577-2(lines 1577 1584) no Hoare annotation was computed. [2023-12-02 18:02:09,907 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1648) no Hoare annotation was computed. [2023-12-02 18:02:09,907 INFO L899 garLoopResultBuilder]: For program point L1635(lines 1635 1650) no Hoare annotation was computed. [2023-12-02 18:02:09,907 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2023-12-02 18:02:09,908 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 18:02:09,908 INFO L895 garLoopResultBuilder]: At program point L1631(line 1631) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_predec_22_goodB2G1Sink_~data#1| 2147483647) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (= 0 ~CWE191_Integer_Underflow__int_fgets_predec_22_goodB2G1Global~0)) [2023-12-02 18:02:09,908 INFO L899 garLoopResultBuilder]: For program point L1631-1(line 1631) no Hoare annotation was computed. [2023-12-02 18:02:09,908 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1656) no Hoare annotation was computed. [2023-12-02 18:02:09,908 INFO L895 garLoopResultBuilder]: At program point L1627(line 1627) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_predec_22_goodB2G1Sink_~data#1| 2147483647) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (= 0 ~CWE191_Integer_Underflow__int_fgets_predec_22_goodB2G1Global~0)) [2023-12-02 18:02:09,908 INFO L899 garLoopResultBuilder]: For program point L1627-1(line 1627) no Hoare annotation was computed. [2023-12-02 18:02:09,908 INFO L899 garLoopResultBuilder]: For program point L1656(line 1656) no Hoare annotation was computed. [2023-12-02 18:02:09,909 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2023-12-02 18:02:09,909 INFO L899 garLoopResultBuilder]: For program point L1656-1(line 1656) no Hoare annotation was computed. [2023-12-02 18:02:09,909 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1615 1634) no Hoare annotation was computed. [2023-12-02 18:02:09,909 INFO L895 garLoopResultBuilder]: At program point L1619(line 1619) the Hoare annotation is: false [2023-12-02 18:02:09,909 INFO L899 garLoopResultBuilder]: For program point L1619-1(line 1619) no Hoare annotation was computed. [2023-12-02 18:02:09,909 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 18:02:09,909 INFO L895 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: (= 0 ~CWE191_Integer_Underflow__int_fgets_predec_22_goodB2G1Global~0) [2023-12-02 18:02:09,909 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2023-12-02 18:02:09,910 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2023-12-02 18:02:09,910 INFO L899 garLoopResultBuilder]: For program point L1558(lines 1558 1565) no Hoare annotation was computed. [2023-12-02 18:02:09,910 INFO L899 garLoopResultBuilder]: For program point L1653(lines 1653 1660) no Hoare annotation was computed. [2023-12-02 18:02:09,910 INFO L899 garLoopResultBuilder]: For program point L1558-2(lines 1558 1565) no Hoare annotation was computed. [2023-12-02 18:02:09,910 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (and (= 0 ~CWE191_Integer_Underflow__int_fgets_predec_22_goodB2G1Global~0) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-12-02 18:02:09,910 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2023-12-02 18:02:09,910 INFO L899 garLoopResultBuilder]: For program point L1641(line 1641) no Hoare annotation was computed. [2023-12-02 18:02:09,911 INFO L899 garLoopResultBuilder]: For program point L1641-1(line 1641) no Hoare annotation was computed. [2023-12-02 18:02:09,911 INFO L899 garLoopResultBuilder]: For program point L1637(lines 1637 1649) no Hoare annotation was computed. [2023-12-02 18:02:09,914 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:02:09,917 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:02:09,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:02:09 BoogieIcfgContainer [2023-12-02 18:02:09,922 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:02:09,923 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:02:09,923 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:02:09,923 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:02:09,924 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:02:08" (3/4) ... [2023-12-02 18:02:09,926 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 18:02:09,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 18:02:09,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 18:02:09,938 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-12-02 18:02:09,939 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 18:02:09,939 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 18:02:09,940 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 18:02:09,940 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 18:02:10,058 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 18:02:10,059 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 18:02:10,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:02:10,060 INFO L158 Benchmark]: Toolchain (without parser) took 3666.80ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 110.0MB in the beginning and 74.2MB in the end (delta: 35.8MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. [2023-12-02 18:02:10,060 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 161.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:02:10,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1266.08ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 109.7MB in the beginning and 173.5MB in the end (delta: -63.8MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2023-12-02 18:02:10,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.61ms. Allocated memory is still 213.9MB. Free memory was 173.5MB in the beginning and 170.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:02:10,062 INFO L158 Benchmark]: Boogie Preprocessor took 33.28ms. Allocated memory is still 213.9MB. Free memory was 170.4MB in the beginning and 168.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:02:10,062 INFO L158 Benchmark]: RCFGBuilder took 427.13ms. Allocated memory is still 213.9MB. Free memory was 168.3MB in the beginning and 148.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 18:02:10,063 INFO L158 Benchmark]: TraceAbstraction took 1729.52ms. Allocated memory is still 213.9MB. Free memory was 147.3MB in the beginning and 80.5MB in the end (delta: 66.8MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2023-12-02 18:02:10,063 INFO L158 Benchmark]: Witness Printer took 136.24ms. Allocated memory is still 213.9MB. Free memory was 80.5MB in the beginning and 74.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 18:02:10,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 161.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1266.08ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 109.7MB in the beginning and 173.5MB in the end (delta: -63.8MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.61ms. Allocated memory is still 213.9MB. Free memory was 173.5MB in the beginning and 170.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.28ms. Allocated memory is still 213.9MB. Free memory was 170.4MB in the beginning and 168.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.13ms. Allocated memory is still 213.9MB. Free memory was 168.3MB in the beginning and 148.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1729.52ms. Allocated memory is still 213.9MB. Free memory was 147.3MB in the beginning and 80.5MB in the end (delta: 66.8MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * Witness Printer took 136.24ms. Allocated memory is still 213.9MB. Free memory was 80.5MB in the beginning and 74.2MB 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: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: 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, 50 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 641 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 309 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 332 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 23 PreInvPairs, 26 NumberOfFragments, 68 HoareAnnotationTreeSize, 23 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 193 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 20/20 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-02 18:02:10,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36b5d6c-b86c-497b-8ada-4e6efb4fdd32/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE