./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ec774715b09b843c78b78d522465f6e76cb9e1f524e26f190cfb5b2d1ec97d2a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:33:23,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:33:23,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:33:23,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:33:23,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:33:23,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:33:23,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:33:23,892 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:33:23,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:33:23,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:33:23,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:33:23,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:33:23,901 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:33:23,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:33:23,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:33:23,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:33:23,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:33:23,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:33:23,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:33:23,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:33:23,906 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:33:23,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:33:23,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:33:23,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:33:23,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:33:23,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:33:23,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:33:23,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:33:23,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:33:23,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:33:23,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:33:23,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:33:23,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:33:23,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:33:23,914 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:33:23,914 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:33:23,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:33:23,915 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:33:23,915 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec774715b09b843c78b78d522465f6e76cb9e1f524e26f190cfb5b2d1ec97d2a [2023-11-19 07:33:24,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:33:24,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:33:24,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:33:24,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:33:24,255 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:33:24,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_12_good.i [2023-11-19 07:33:27,443 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:33:27,840 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:33:27,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_12_good.i [2023-11-19 07:33:27,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/data/1f4423b6d/9b1b23ced6284732badfdd996e4e8c2a/FLAGc47db56d1 [2023-11-19 07:33:27,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/data/1f4423b6d/9b1b23ced6284732badfdd996e4e8c2a [2023-11-19 07:33:27,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:33:27,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:33:27,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:33:27,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:33:27,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:33:27,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:27" (1/1) ... [2023-11-19 07:33:27,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704fb949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:27, skipping insertion in model container [2023-11-19 07:33:27,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:27" (1/1) ... [2023-11-19 07:33:27,978 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:33:28,365 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:33:29,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:33:29,157 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:33:29,202 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:33:29,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:33:29,512 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:33:29,513 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:33:29,513 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:33:29,513 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:33:29,513 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:33:29,522 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:33:29,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29 WrapperNode [2023-11-19 07:33:29,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:33:29,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:33:29,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:33:29,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:33:29,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29" (1/1) ... [2023-11-19 07:33:29,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29" (1/1) ... [2023-11-19 07:33:29,626 INFO L138 Inliner]: procedures = 501, calls = 78, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2023-11-19 07:33:29,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:33:29,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:33:29,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:33:29,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:33:29,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29" (1/1) ... [2023-11-19 07:33:29,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29" (1/1) ... [2023-11-19 07:33:29,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29" (1/1) ... [2023-11-19 07:33:29,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29" (1/1) ... [2023-11-19 07:33:29,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29" (1/1) ... [2023-11-19 07:33:29,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29" (1/1) ... [2023-11-19 07:33:29,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29" (1/1) ... [2023-11-19 07:33:29,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29" (1/1) ... [2023-11-19 07:33:29,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:33:29,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:33:29,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:33:29,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:33:29,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29" (1/1) ... [2023-11-19 07:33:29,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:33:29,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:33:29,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:33:29,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:33:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 07:33:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 07:33:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2023-11-19 07:33:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2023-11-19 07:33:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 07:33:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 07:33:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:33:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:33:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:33:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:33:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:33:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:33:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:33:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:33:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:33:29,940 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:33:29,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:33:30,143 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:33:30,154 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:33:30,155 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:33:30,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:30 BoogieIcfgContainer [2023-11-19 07:33:30,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:33:30,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:33:30,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:33:30,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:33:30,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:33:27" (1/3) ... [2023-11-19 07:33:30,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8faa05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:33:30, skipping insertion in model container [2023-11-19 07:33:30,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29" (2/3) ... [2023-11-19 07:33:30,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8faa05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:33:30, skipping insertion in model container [2023-11-19 07:33:30,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:30" (3/3) ... [2023-11-19 07:33:30,175 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_12_good.i [2023-11-19 07:33:30,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:33:30,199 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 07:33:30,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:33:30,279 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@63e9cbd7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:33:30,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 07:33:30,285 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 49 states have internal predecessors, (54), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 07:33:30,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 07:33:30,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:30,326 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:30,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:33:30,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:30,333 INFO L85 PathProgramCache]: Analyzing trace with hash -782946102, now seen corresponding path program 1 times [2023-11-19 07:33:30,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:30,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105169573] [2023-11-19 07:33:30,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:30,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:33:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:33:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:33:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:33:30,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:30,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105169573] [2023-11-19 07:33:30,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105169573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:30,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:30,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:33:30,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538850960] [2023-11-19 07:33:30,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:30,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:33:30,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:31,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:33:31,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:33:31,043 INFO L87 Difference]: Start difference. First operand has 63 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 49 states have internal predecessors, (54), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2023-11-19 07:33:31,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:31,105 INFO L93 Difference]: Finished difference Result 63 states and 78 transitions. [2023-11-19 07:33:31,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:33:31,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 22 [2023-11-19 07:33:31,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:31,117 INFO L225 Difference]: With dead ends: 63 [2023-11-19 07:33:31,118 INFO L226 Difference]: Without dead ends: 51 [2023-11-19 07:33:31,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:33:31,125 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 2 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:31,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 205 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:33:31,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-19 07:33:31,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-19 07:33:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.375) internal successors, (44), 40 states have internal predecessors, (44), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 07:33:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2023-11-19 07:33:31,172 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 22 [2023-11-19 07:33:31,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:31,174 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2023-11-19 07:33:31,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2023-11-19 07:33:31,175 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2023-11-19 07:33:31,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 07:33:31,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:31,177 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:31,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:33:31,177 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:33:31,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:31,178 INFO L85 PathProgramCache]: Analyzing trace with hash -782960997, now seen corresponding path program 1 times [2023-11-19 07:33:31,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:31,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921035637] [2023-11-19 07:33:31,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:31,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:31,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:33:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:33:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:33:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:31,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:33:31,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:31,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921035637] [2023-11-19 07:33:31,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921035637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:31,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:31,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:33:31,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211559381] [2023-11-19 07:33:31,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:31,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:33:31,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:31,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:33:31,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:33:31,391 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2023-11-19 07:33:31,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:31,462 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions. [2023-11-19 07:33:31,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:33:31,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 22 [2023-11-19 07:33:31,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:31,468 INFO L225 Difference]: With dead ends: 51 [2023-11-19 07:33:31,469 INFO L226 Difference]: Without dead ends: 50 [2023-11-19 07:33:31,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:33:31,474 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 2 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:31,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 157 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:33:31,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-19 07:33:31,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-19 07:33:31,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.34375) internal successors, (43), 39 states have internal predecessors, (43), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 07:33:31,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2023-11-19 07:33:31,487 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 22 [2023-11-19 07:33:31,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:31,488 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2023-11-19 07:33:31,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2023-11-19 07:33:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2023-11-19 07:33:31,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:33:31,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:31,492 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:31,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:33:31,493 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:33:31,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:31,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1498474695, now seen corresponding path program 1 times [2023-11-19 07:33:31,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:31,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130948889] [2023-11-19 07:33:31,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:31,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:31,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:33:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:31,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:33:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:31,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:33:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:33:31,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:31,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130948889] [2023-11-19 07:33:31,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130948889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:31,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:31,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:33:31,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879573940] [2023-11-19 07:33:31,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:31,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:33:31,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:31,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:33:31,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:33:31,846 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:33:31,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:31,981 INFO L93 Difference]: Finished difference Result 50 states and 61 transitions. [2023-11-19 07:33:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:33:31,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2023-11-19 07:33:31,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:31,986 INFO L225 Difference]: With dead ends: 50 [2023-11-19 07:33:31,987 INFO L226 Difference]: Without dead ends: 49 [2023-11-19 07:33:31,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:33:31,996 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 13 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:31,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 133 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:33:32,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-19 07:33:32,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-19 07:33:32,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.3125) internal successors, (42), 38 states have internal predecessors, (42), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 07:33:32,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2023-11-19 07:33:32,012 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 23 [2023-11-19 07:33:32,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:32,013 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2023-11-19 07:33:32,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:33:32,013 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2023-11-19 07:33:32,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:33:32,015 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:32,015 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:32,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:33:32,015 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:33:32,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:32,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1498012935, now seen corresponding path program 1 times [2023-11-19 07:33:32,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:32,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944520137] [2023-11-19 07:33:32,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:32,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:33:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:33:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:33:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:33:32,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:32,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944520137] [2023-11-19 07:33:32,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944520137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:32,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:32,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:33:32,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263512605] [2023-11-19 07:33:32,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:32,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:33:32,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:32,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:33:32,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:33:32,231 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:33:32,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:32,317 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2023-11-19 07:33:32,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:33:32,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2023-11-19 07:33:32,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:32,320 INFO L225 Difference]: With dead ends: 49 [2023-11-19 07:33:32,320 INFO L226 Difference]: Without dead ends: 48 [2023-11-19 07:33:32,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:33:32,322 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 12 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:32,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 157 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:33:32,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-19 07:33:32,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-19 07:33:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 32 states have (on average 1.28125) internal successors, (41), 37 states have internal predecessors, (41), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 07:33:32,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2023-11-19 07:33:32,333 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 23 [2023-11-19 07:33:32,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:32,334 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2023-11-19 07:33:32,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:33:32,334 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2023-11-19 07:33:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 07:33:32,336 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:32,336 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:32,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:33:32,337 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:33:32,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:32,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1597782183, now seen corresponding path program 1 times [2023-11-19 07:33:32,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:32,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345712557] [2023-11-19 07:33:32,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:32,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:33:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:33:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:33:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:33:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:33:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:33:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,457 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 07:33:32,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:32,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345712557] [2023-11-19 07:33:32,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345712557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:32,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:32,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:33:32,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391161356] [2023-11-19 07:33:32,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:32,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:33:32,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:32,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:33:32,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:33:32,463 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:33:32,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:32,486 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2023-11-19 07:33:32,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:33:32,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2023-11-19 07:33:32,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:32,495 INFO L225 Difference]: With dead ends: 48 [2023-11-19 07:33:32,496 INFO L226 Difference]: Without dead ends: 46 [2023-11-19 07:33:32,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:33:32,498 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 6 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:32,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 97 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:33:32,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-19 07:33:32,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-19 07:33:32,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.21875) internal successors, (39), 35 states have internal predecessors, (39), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 07:33:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2023-11-19 07:33:32,524 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 41 [2023-11-19 07:33:32,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:32,525 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2023-11-19 07:33:32,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:33:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-19 07:33:32,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 07:33:32,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:32,530 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:32,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:33:32,531 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:33:32,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:32,531 INFO L85 PathProgramCache]: Analyzing trace with hash 2008359994, now seen corresponding path program 1 times [2023-11-19 07:33:32,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:32,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187620636] [2023-11-19 07:33:32,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:32,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:33:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:33:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:33:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:33:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:33:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:33:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 07:33:32,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:32,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187620636] [2023-11-19 07:33:32,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187620636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:32,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:32,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:33:32,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135826728] [2023-11-19 07:33:32,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:32,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:33:32,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:32,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:33:32,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:33:32,657 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:33:32,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:32,668 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2023-11-19 07:33:32,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:33:32,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2023-11-19 07:33:32,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:32,676 INFO L225 Difference]: With dead ends: 46 [2023-11-19 07:33:32,676 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:33:32,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:33:32,679 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 2 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:32,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 99 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:33:32,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:33:32,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:33:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:33:32,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:33:32,685 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2023-11-19 07:33:32,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:32,685 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:33:32,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:33:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:33:32,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:33:32,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 07:33:32,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 07:33:32,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 07:33:32,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 07:33:32,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 07:33:32,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 07:33:32,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 07:33:32,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 07:33:32,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:33:32,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:33:32,727 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 07:33:32,728 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:33:32,728 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-19 07:33:32,728 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:33:32,729 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseFINAL(lines 1518 1521) no Hoare annotation was computed. [2023-11-19 07:33:32,729 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseEXIT(lines 1518 1521) no Hoare annotation was computed. [2023-11-19 07:33:32,729 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1518 1521) the Hoare annotation is: true [2023-11-19 07:33:32,729 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 07:33:32,729 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:33:32,730 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:33:32,730 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2023-11-19 07:33:32,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-19 07:33:32,732 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-19 07:33:32,732 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1617 1624) no Hoare annotation was computed. [2023-11-19 07:33:32,732 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2023-11-19 07:33:32,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2023-11-19 07:33:32,732 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2023-11-19 07:33:32,733 INFO L902 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: true [2023-11-19 07:33:32,735 INFO L899 garLoopResultBuilder]: For program point L1601-1(line 1601) no Hoare annotation was computed. [2023-11-19 07:33:32,735 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:33:32,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-19 07:33:32,736 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2023-11-19 07:33:32,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2023-11-19 07:33:32,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:33:32,737 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-19 07:33:32,737 INFO L899 garLoopResultBuilder]: For program point L1597-1(lines 1597 1610) no Hoare annotation was computed. [2023-11-19 07:33:32,737 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-19 07:33:32,737 INFO L899 garLoopResultBuilder]: For program point L1560(line 1560) no Hoare annotation was computed. [2023-11-19 07:33:32,737 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 1560 1583) no Hoare annotation was computed. [2023-11-19 07:33:32,737 INFO L902 garLoopResultBuilder]: At program point L1622(line 1622) the Hoare annotation is: true [2023-11-19 07:33:32,738 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2)) [2023-11-19 07:33:32,738 INFO L899 garLoopResultBuilder]: For program point L1622-1(line 1622) no Hoare annotation was computed. [2023-11-19 07:33:32,738 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2023-11-19 07:33:32,738 INFO L899 garLoopResultBuilder]: For program point L1589-2(lines 1589 1596) no Hoare annotation was computed. [2023-11-19 07:33:32,738 INFO L895 garLoopResultBuilder]: At program point L1589-4(lines 1589 1596) the Hoare annotation is: (= (+ |ULTIMATE.start_goodG2B_~data~1#1| 2) 0) [2023-11-19 07:33:32,738 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1611) no Hoare annotation was computed. [2023-11-19 07:33:32,739 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2023-11-19 07:33:32,739 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-19 07:33:32,739 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1559) no Hoare annotation was computed. [2023-11-19 07:33:32,739 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2023-11-19 07:33:32,740 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1559) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2023-11-19 07:33:32,740 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 1560 1583) no Hoare annotation was computed. [2023-11-19 07:33:32,740 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1584) no Hoare annotation was computed. [2023-11-19 07:33:32,740 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2023-11-19 07:33:32,741 INFO L899 garLoopResultBuilder]: For program point L1577-1(line 1577) no Hoare annotation was computed. [2023-11-19 07:33:32,744 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-19 07:33:32,744 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2023-11-19 07:33:32,744 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:33:32,744 INFO L895 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2023-11-19 07:33:32,745 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2023-11-19 07:33:32,745 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2023-11-19 07:33:32,745 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:33:32,745 INFO L899 garLoopResultBuilder]: For program point L1607(line 1607) no Hoare annotation was computed. [2023-11-19 07:33:32,745 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1582) no Hoare annotation was computed. [2023-11-19 07:33:32,746 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2023-11-19 07:33:32,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-19 07:33:32,747 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1570) no Hoare annotation was computed. [2023-11-19 07:33:32,748 INFO L902 garLoopResultBuilder]: At program point L1620(line 1620) the Hoare annotation is: true [2023-11-19 07:33:32,748 INFO L899 garLoopResultBuilder]: For program point L1620-1(line 1620) no Hoare annotation was computed. [2023-11-19 07:33:32,748 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1616) no Hoare annotation was computed. [2023-11-19 07:33:32,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2023-11-19 07:33:32,749 INFO L902 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: true [2023-11-19 07:33:32,749 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2023-11-19 07:33:32,753 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-19 07:33:32,755 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:33:32,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:33:32 BoogieIcfgContainer [2023-11-19 07:33:32,762 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:33:32,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:33:32,763 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:33:32,763 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:33:32,764 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:30" (3/4) ... [2023-11-19 07:33:32,767 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:33:32,773 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 07:33:32,773 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2023-11-19 07:33:32,773 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 07:33:32,782 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 07:33:32,783 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 07:33:32,783 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:33:32,784 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:33:32,899 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:33:32,899 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:33:32,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:33:32,900 INFO L158 Benchmark]: Toolchain (without parser) took 5009.53ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 126.4MB in the beginning and 96.8MB in the end (delta: 29.7MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. [2023-11-19 07:33:32,901 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 176.2MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:33:32,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1630.39ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 104.6MB in the end (delta: 21.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 07:33:32,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.27ms. Allocated memory is still 176.2MB. Free memory was 104.6MB in the beginning and 101.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:32,902 INFO L158 Benchmark]: Boogie Preprocessor took 70.70ms. Allocated memory is still 176.2MB. Free memory was 101.3MB in the beginning and 99.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:32,902 INFO L158 Benchmark]: RCFGBuilder took 461.32ms. Allocated memory is still 176.2MB. Free memory was 99.8MB in the beginning and 83.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:33:32,903 INFO L158 Benchmark]: TraceAbstraction took 2599.44ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 83.0MB in the beginning and 102.0MB in the end (delta: -19.0MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:32,903 INFO L158 Benchmark]: Witness Printer took 136.92ms. Allocated memory is still 237.0MB. Free memory was 102.0MB in the beginning and 96.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:33:32,905 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 176.2MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1630.39ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 104.6MB in the end (delta: 21.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.27ms. Allocated memory is still 176.2MB. Free memory was 104.6MB in the beginning and 101.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.70ms. Allocated memory is still 176.2MB. Free memory was 101.3MB in the beginning and 99.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.32ms. Allocated memory is still 176.2MB. Free memory was 99.8MB in the beginning and 83.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2599.44ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 83.0MB in the beginning and 102.0MB in the end (delta: -19.0MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Witness Printer took 136.92ms. Allocated memory is still 237.0MB. Free memory was 102.0MB in the beginning and 96.8MB in the end (delta: 5.2MB). 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 63 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 848 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 515 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 148 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 333 mSDtfsCounter, 148 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 24 PreInvPairs, 24 NumberOfFragments, 59 HoareAnnotationTreeSize, 24 FomulaSimplifications, 6 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 287 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 56/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:33:32,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185632f1-3969-49d5-af4f-8c2929fd5caf/bin/uautomizer-verify-uCwYo4JHxu/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