./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC --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 7a91a43dabf08728aa1c777480ae74ba97759d8b76938ed83c53d35ac672a135 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:47:34,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:47:34,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 23:47:34,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:47:34,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:47:34,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:47:34,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:47:34,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:47:34,345 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:47:34,345 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:47:34,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:47:34,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:47:34,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:47:34,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:47:34,346 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:47:34,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:47:34,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:47:34,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:47:34,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:47:34,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:47:34,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:47:34,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:47:34,349 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 23:47:34,349 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:47:34,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:47:34,349 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:47:34,350 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:47:34,350 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:47:34,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:47:34,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:47:34,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:47:34,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:47:34,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:47:34,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:47:34,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:47:34,351 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:47:34,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:47:34,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:47:34,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:47:34,351 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:47:34,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:47:34,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:47:34,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:47:34,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:47:34,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:47:34,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:47:34,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:47:34,352 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC 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 -> 7a91a43dabf08728aa1c777480ae74ba97759d8b76938ed83c53d35ac672a135 [2024-11-23 23:47:34,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:47:34,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:47:34,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:47:34,735 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:47:34,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:47:34,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_15_good.i [2024-11-23 23:47:37,779 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/data/429cd5242/fcfd052e513444b389e058bf880041a3/FLAG223e6ff20 [2024-11-23 23:47:38,309 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:47:38,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_15_good.i [2024-11-23 23:47:38,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/data/429cd5242/fcfd052e513444b389e058bf880041a3/FLAG223e6ff20 [2024-11-23 23:47:38,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/data/429cd5242/fcfd052e513444b389e058bf880041a3 [2024-11-23 23:47:38,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:47:38,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:47:38,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:47:38,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:47:38,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:47:38,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:47:38" (1/1) ... [2024-11-23 23:47:38,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382b83f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:38, skipping insertion in model container [2024-11-23 23:47:38,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:47:38" (1/1) ... [2024-11-23 23:47:38,437 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:47:39,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:47:39,589 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:47:39,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:47:39,893 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:47:39,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39 WrapperNode [2024-11-23 23:47:39,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:47:39,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:47:39,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:47:39,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:47:39,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (1/1) ... [2024-11-23 23:47:39,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (1/1) ... [2024-11-23 23:47:39,979 INFO L138 Inliner]: procedures = 502, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 201 [2024-11-23 23:47:39,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:47:39,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:47:39,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:47:39,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:47:39,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (1/1) ... [2024-11-23 23:47:39,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (1/1) ... [2024-11-23 23:47:40,006 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (1/1) ... [2024-11-23 23:47:40,038 INFO L175 MemorySlicer]: Split 2 memory accesses to 2 slices as follows [1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1]. The 0 writes are split as follows [0, 0]. [2024-11-23 23:47:40,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (1/1) ... [2024-11-23 23:47:40,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (1/1) ... [2024-11-23 23:47:40,051 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (1/1) ... [2024-11-23 23:47:40,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (1/1) ... [2024-11-23 23:47:40,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (1/1) ... [2024-11-23 23:47:40,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (1/1) ... [2024-11-23 23:47:40,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (1/1) ... [2024-11-23 23:47:40,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:47:40,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:47:40,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:47:40,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:47:40,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (1/1) ... [2024-11-23 23:47:40,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:47:40,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:47:40,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:47:40,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:47:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-23 23:47:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-23 23:47:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 23:47:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 23:47:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:47:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:47:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:47:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:47:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:47:40,373 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:47:40,375 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:47:40,754 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-23 23:47:40,754 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:47:40,773 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:47:40,773 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:47:40,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:47:40 BoogieIcfgContainer [2024-11-23 23:47:40,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:47:40,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:47:40,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:47:40,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:47:40,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:47:38" (1/3) ... [2024-11-23 23:47:40,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a892b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:47:40, skipping insertion in model container [2024-11-23 23:47:40,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:39" (2/3) ... [2024-11-23 23:47:40,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a892b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:47:40, skipping insertion in model container [2024-11-23 23:47:40,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:47:40" (3/3) ... [2024-11-23 23:47:40,794 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_15_good.i [2024-11-23 23:47:40,814 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:47:40,816 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_add_15_good.i that has 3 procedures, 87 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-23 23:47:40,903 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:47:40,921 INFO L333 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, 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;@19e9f54c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:47:40,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-23 23:47:40,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 58 states have (on average 1.5) internal successors, (87), 78 states have internal predecessors, (87), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:47:40,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-23 23:47:40,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:40,935 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:40,935 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:40,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:40,943 INFO L85 PathProgramCache]: Analyzing trace with hash -2099148827, now seen corresponding path program 1 times [2024-11-23 23:47:40,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:40,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913645558] [2024-11-23 23:47:40,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:40,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:47:41,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:41,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913645558] [2024-11-23 23:47:41,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913645558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:41,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:41,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:47:41,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672421514] [2024-11-23 23:47:41,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:41,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:41,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:41,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:41,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:41,344 INFO L87 Difference]: Start difference. First operand has 87 states, 58 states have (on average 1.5) internal successors, (87), 78 states have internal predecessors, (87), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:47:41,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:41,406 INFO L93 Difference]: Finished difference Result 164 states and 230 transitions. [2024-11-23 23:47:41,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:41,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-23 23:47:41,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:41,418 INFO L225 Difference]: With dead ends: 164 [2024-11-23 23:47:41,418 INFO L226 Difference]: Without dead ends: 73 [2024-11-23 23:47:41,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:41,432 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:41,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:41,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-23 23:47:41,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-23 23:47:41,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.489795918367347) internal successors, (73), 66 states have internal predecessors, (73), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 23:47:41,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2024-11-23 23:47:41,528 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 15 [2024-11-23 23:47:41,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:41,535 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2024-11-23 23:47:41,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:47:41,536 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2024-11-23 23:47:41,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-23 23:47:41,537 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:41,539 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:41,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:47:41,540 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:41,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:41,540 INFO L85 PathProgramCache]: Analyzing trace with hash 158090797, now seen corresponding path program 1 times [2024-11-23 23:47:41,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:41,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241665941] [2024-11-23 23:47:41,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:41,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:47:41,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:41,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241665941] [2024-11-23 23:47:41,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241665941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:41,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:41,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:47:41,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635404634] [2024-11-23 23:47:41,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:41,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:41,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:41,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:41,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:41,797 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:47:41,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:41,847 INFO L93 Difference]: Finished difference Result 75 states and 103 transitions. [2024-11-23 23:47:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:41,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-23 23:47:41,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:41,849 INFO L225 Difference]: With dead ends: 75 [2024-11-23 23:47:41,849 INFO L226 Difference]: Without dead ends: 74 [2024-11-23 23:47:41,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:41,851 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 6 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:41,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 177 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:41,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-23 23:47:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2024-11-23 23:47:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 49 states have (on average 1.469387755102041) internal successors, (72), 65 states have internal predecessors, (72), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 23:47:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2024-11-23 23:47:41,863 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 16 [2024-11-23 23:47:41,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:41,864 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2024-11-23 23:47:41,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:47:41,864 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-11-23 23:47:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-23 23:47:41,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:41,865 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:41,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:47:41,866 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:41,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:41,866 INFO L85 PathProgramCache]: Analyzing trace with hash 605847492, now seen corresponding path program 1 times [2024-11-23 23:47:41,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:41,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359853548] [2024-11-23 23:47:41,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:41,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:47:41,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:41,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359853548] [2024-11-23 23:47:41,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359853548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:41,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:41,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:47:41,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002820654] [2024-11-23 23:47:41,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:41,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:41,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:41,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:41,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:41,964 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:47:42,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:42,020 INFO L93 Difference]: Finished difference Result 134 states and 186 transitions. [2024-11-23 23:47:42,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:42,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-23 23:47:42,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:42,022 INFO L225 Difference]: With dead ends: 134 [2024-11-23 23:47:42,025 INFO L226 Difference]: Without dead ends: 79 [2024-11-23 23:47:42,026 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:42,027 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 9 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:42,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 197 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:42,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-23 23:47:42,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2024-11-23 23:47:42,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 68 states have internal predecessors, (78), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 23:47:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 106 transitions. [2024-11-23 23:47:42,046 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 106 transitions. Word has length 17 [2024-11-23 23:47:42,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:42,046 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 106 transitions. [2024-11-23 23:47:42,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:47:42,047 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2024-11-23 23:47:42,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-23 23:47:42,048 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:42,048 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:42,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:47:42,049 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:42,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:42,049 INFO L85 PathProgramCache]: Analyzing trace with hash -2025589241, now seen corresponding path program 1 times [2024-11-23 23:47:42,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:42,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643641923] [2024-11-23 23:47:42,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:42,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:42,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:47:42,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:42,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643641923] [2024-11-23 23:47:42,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643641923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:42,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:42,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:47:42,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323546531] [2024-11-23 23:47:42,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:42,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:42,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:42,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:42,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:42,130 INFO L87 Difference]: Start difference. First operand 76 states and 106 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:47:42,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:42,167 INFO L93 Difference]: Finished difference Result 129 states and 178 transitions. [2024-11-23 23:47:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:42,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2024-11-23 23:47:42,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:42,173 INFO L225 Difference]: With dead ends: 129 [2024-11-23 23:47:42,173 INFO L226 Difference]: Without dead ends: 76 [2024-11-23 23:47:42,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:42,174 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:42,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:42,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-23 23:47:42,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-23 23:47:42,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 68 states have internal predecessors, (76), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 23:47:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2024-11-23 23:47:42,199 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 22 [2024-11-23 23:47:42,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:42,200 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2024-11-23 23:47:42,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:47:42,200 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2024-11-23 23:47:42,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-23 23:47:42,201 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:42,201 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:42,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:47:42,201 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:42,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:42,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1453989776, now seen corresponding path program 1 times [2024-11-23 23:47:42,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:42,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108195319] [2024-11-23 23:47:42,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:42,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:47:42,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:42,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108195319] [2024-11-23 23:47:42,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108195319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:42,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:42,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:47:42,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868798265] [2024-11-23 23:47:42,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:42,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:42,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:42,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:42,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:42,329 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 23:47:42,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:42,363 INFO L93 Difference]: Finished difference Result 129 states and 176 transitions. [2024-11-23 23:47:42,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:42,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2024-11-23 23:47:42,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:42,369 INFO L225 Difference]: With dead ends: 129 [2024-11-23 23:47:42,369 INFO L226 Difference]: Without dead ends: 75 [2024-11-23 23:47:42,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:42,370 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:42,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:42,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-23 23:47:42,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-23 23:47:42,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 67 states have internal predecessors, (74), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-23 23:47:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 100 transitions. [2024-11-23 23:47:42,389 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 100 transitions. Word has length 26 [2024-11-23 23:47:42,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:42,390 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 100 transitions. [2024-11-23 23:47:42,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 23:47:42,392 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2024-11-23 23:47:42,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-23 23:47:42,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:42,393 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:42,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:47:42,394 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:42,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:42,394 INFO L85 PathProgramCache]: Analyzing trace with hash -780296502, now seen corresponding path program 1 times [2024-11-23 23:47:42,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:42,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386236170] [2024-11-23 23:47:42,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:42,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:47:42,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:42,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386236170] [2024-11-23 23:47:42,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386236170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:42,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:42,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:47:42,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222432884] [2024-11-23 23:47:42,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:42,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:42,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:42,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:42,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:42,472 INFO L87 Difference]: Start difference. First operand 75 states and 100 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:47:42,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:42,487 INFO L93 Difference]: Finished difference Result 120 states and 159 transitions. [2024-11-23 23:47:42,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:42,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-23 23:47:42,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:42,489 INFO L225 Difference]: With dead ends: 120 [2024-11-23 23:47:42,489 INFO L226 Difference]: Without dead ends: 73 [2024-11-23 23:47:42,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:42,491 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:42,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:42,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-23 23:47:42,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-23 23:47:42,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 65 states have internal predecessors, (71), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 23:47:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2024-11-23 23:47:42,506 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 28 [2024-11-23 23:47:42,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:42,507 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2024-11-23 23:47:42,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:47:42,507 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2024-11-23 23:47:42,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-23 23:47:42,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:42,510 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:42,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:47:42,511 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:42,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:42,511 INFO L85 PathProgramCache]: Analyzing trace with hash 914003627, now seen corresponding path program 1 times [2024-11-23 23:47:42,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:42,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152423650] [2024-11-23 23:47:42,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:42,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:47:42,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:42,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152423650] [2024-11-23 23:47:42,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152423650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:42,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:42,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:47:42,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023536341] [2024-11-23 23:47:42,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:42,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:42,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:42,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:42,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:42,661 INFO L87 Difference]: Start difference. First operand 73 states and 95 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:47:42,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:42,684 INFO L93 Difference]: Finished difference Result 75 states and 97 transitions. [2024-11-23 23:47:42,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:42,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-23 23:47:42,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:42,685 INFO L225 Difference]: With dead ends: 75 [2024-11-23 23:47:42,685 INFO L226 Difference]: Without dead ends: 74 [2024-11-23 23:47:42,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:42,686 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 7 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:42,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 155 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:42,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-23 23:47:42,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2024-11-23 23:47:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.320754716981132) internal successors, (70), 64 states have internal predecessors, (70), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 23:47:42,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2024-11-23 23:47:42,694 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 29 [2024-11-23 23:47:42,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:42,695 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2024-11-23 23:47:42,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:47:42,695 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2024-11-23 23:47:42,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-23 23:47:42,696 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:42,696 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:42,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:47:42,696 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:42,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:42,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1730658511, now seen corresponding path program 1 times [2024-11-23 23:47:42,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:42,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420297785] [2024-11-23 23:47:42,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:42,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:47:42,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:42,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420297785] [2024-11-23 23:47:42,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420297785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:42,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:42,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:47:42,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707163580] [2024-11-23 23:47:42,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:42,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:42,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:42,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:42,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:42,806 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:47:42,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:42,838 INFO L93 Difference]: Finished difference Result 114 states and 149 transitions. [2024-11-23 23:47:42,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:42,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-23 23:47:42,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:42,841 INFO L225 Difference]: With dead ends: 114 [2024-11-23 23:47:42,841 INFO L226 Difference]: Without dead ends: 79 [2024-11-23 23:47:42,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:42,843 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 9 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:42,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 175 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:42,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-23 23:47:42,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2024-11-23 23:47:42,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 66 states have internal predecessors, (74), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 23:47:42,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 98 transitions. [2024-11-23 23:47:42,859 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 98 transitions. Word has length 30 [2024-11-23 23:47:42,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:42,859 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 98 transitions. [2024-11-23 23:47:42,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:47:42,859 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2024-11-23 23:47:42,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-23 23:47:42,860 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:42,860 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:42,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:47:42,861 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:42,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:42,865 INFO L85 PathProgramCache]: Analyzing trace with hash -532661722, now seen corresponding path program 1 times [2024-11-23 23:47:42,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:42,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963646614] [2024-11-23 23:47:42,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:42,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:42,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:47:42,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:42,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963646614] [2024-11-23 23:47:42,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963646614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:42,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:42,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:47:42,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835085502] [2024-11-23 23:47:42,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:42,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:42,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:42,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:42,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:42,993 INFO L87 Difference]: Start difference. First operand 75 states and 98 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:47:43,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:43,021 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2024-11-23 23:47:43,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:43,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-23 23:47:43,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:43,023 INFO L225 Difference]: With dead ends: 108 [2024-11-23 23:47:43,023 INFO L226 Difference]: Without dead ends: 73 [2024-11-23 23:47:43,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:43,024 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:43,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:43,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-23 23:47:43,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-23 23:47:43,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 56 states have (on average 1.25) internal successors, (70), 64 states have internal predecessors, (70), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:47:43,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2024-11-23 23:47:43,038 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 35 [2024-11-23 23:47:43,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:43,039 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2024-11-23 23:47:43,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:47:43,039 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2024-11-23 23:47:43,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-23 23:47:43,040 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:43,040 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:43,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:47:43,041 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:43,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:43,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1733114360, now seen corresponding path program 1 times [2024-11-23 23:47:43,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:43,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406071419] [2024-11-23 23:47:43,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:43,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:43,172 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 23:47:43,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:43,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406071419] [2024-11-23 23:47:43,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406071419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:43,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:43,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:47:43,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539798676] [2024-11-23 23:47:43,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:43,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:43,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:43,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:43,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:43,177 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (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) [2024-11-23 23:47:43,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:43,212 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2024-11-23 23:47:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:43,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (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 40 [2024-11-23 23:47:43,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:43,214 INFO L225 Difference]: With dead ends: 83 [2024-11-23 23:47:43,214 INFO L226 Difference]: Without dead ends: 81 [2024-11-23 23:47:43,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:43,215 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 5 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:43,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 158 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:43,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-23 23:47:43,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2024-11-23 23:47:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 60 states have (on average 1.25) internal successors, (75), 68 states have internal predecessors, (75), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:47:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 97 transitions. [2024-11-23 23:47:43,226 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 97 transitions. Word has length 40 [2024-11-23 23:47:43,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:43,227 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 97 transitions. [2024-11-23 23:47:43,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (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) [2024-11-23 23:47:43,227 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 97 transitions. [2024-11-23 23:47:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-23 23:47:43,229 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:43,233 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:43,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:47:43,233 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:43,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:43,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1733173942, now seen corresponding path program 1 times [2024-11-23 23:47:43,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:43,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199040296] [2024-11-23 23:47:43,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:43,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:43,325 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 23:47:43,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:43,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199040296] [2024-11-23 23:47:43,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199040296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:43,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:43,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:47:43,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785356078] [2024-11-23 23:47:43,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:43,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:43,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:43,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:43,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:43,327 INFO L87 Difference]: Start difference. First operand 77 states and 97 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-11-23 23:47:43,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:43,349 INFO L93 Difference]: Finished difference Result 105 states and 130 transitions. [2024-11-23 23:47:43,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:43,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 40 [2024-11-23 23:47:43,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:43,352 INFO L225 Difference]: With dead ends: 105 [2024-11-23 23:47:43,352 INFO L226 Difference]: Without dead ends: 77 [2024-11-23 23:47:43,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:43,355 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:43,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:43,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-23 23:47:43,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-23 23:47:43,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 60 states have (on average 1.2333333333333334) internal successors, (74), 67 states have internal predecessors, (74), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:47:43,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 96 transitions. [2024-11-23 23:47:43,370 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 96 transitions. Word has length 40 [2024-11-23 23:47:43,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:43,371 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 96 transitions. [2024-11-23 23:47:43,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-11-23 23:47:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2024-11-23 23:47:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-23 23:47:43,372 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:43,375 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:43,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:47:43,375 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:43,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:43,376 INFO L85 PathProgramCache]: Analyzing trace with hash -635653587, now seen corresponding path program 1 times [2024-11-23 23:47:43,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:43,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842826296] [2024-11-23 23:47:43,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:43,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 23:47:43,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:43,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842826296] [2024-11-23 23:47:43,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842826296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:43,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:43,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:47:43,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022675289] [2024-11-23 23:47:43,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:43,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:43,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:43,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:43,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:43,473 INFO L87 Difference]: Start difference. First operand 77 states and 96 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:47:43,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:43,496 INFO L93 Difference]: Finished difference Result 99 states and 122 transitions. [2024-11-23 23:47:43,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:43,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-23 23:47:43,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:43,500 INFO L225 Difference]: With dead ends: 99 [2024-11-23 23:47:43,500 INFO L226 Difference]: Without dead ends: 70 [2024-11-23 23:47:43,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:43,501 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:43,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:43,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-23 23:47:43,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-23 23:47:43,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 61 states have internal predecessors, (66), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-23 23:47:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2024-11-23 23:47:43,512 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 86 transitions. Word has length 44 [2024-11-23 23:47:43,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:43,512 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 86 transitions. [2024-11-23 23:47:43,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:47:43,512 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2024-11-23 23:47:43,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-23 23:47:43,514 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:43,514 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:43,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:47:43,515 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:43,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:43,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1753984682, now seen corresponding path program 1 times [2024-11-23 23:47:43,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:43,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163778721] [2024-11-23 23:47:43,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:43,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:43,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 23:47:43,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:43,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163778721] [2024-11-23 23:47:43,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163778721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:43,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:43,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:47:43,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053685491] [2024-11-23 23:47:43,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:43,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:43,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:43,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:43,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:43,609 INFO L87 Difference]: Start difference. First operand 70 states and 86 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-23 23:47:43,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:43,635 INFO L93 Difference]: Finished difference Result 85 states and 103 transitions. [2024-11-23 23:47:43,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:43,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 46 [2024-11-23 23:47:43,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:43,640 INFO L225 Difference]: With dead ends: 85 [2024-11-23 23:47:43,640 INFO L226 Difference]: Without dead ends: 68 [2024-11-23 23:47:43,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:43,641 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:43,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:43,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-23 23:47:43,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-23 23:47:43,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 59 states have internal predecessors, (63), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:47:43,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2024-11-23 23:47:43,651 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 46 [2024-11-23 23:47:43,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:43,651 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2024-11-23 23:47:43,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-23 23:47:43,652 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2024-11-23 23:47:43,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-23 23:47:43,652 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:43,653 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:43,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:47:43,655 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:43,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:43,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1078495304, now seen corresponding path program 1 times [2024-11-23 23:47:43,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:43,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746140303] [2024-11-23 23:47:43,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:43,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:43,779 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 23:47:43,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:43,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746140303] [2024-11-23 23:47:43,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746140303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:43,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:43,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:47:43,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400953008] [2024-11-23 23:47:43,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:43,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:43,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:43,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:43,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:43,781 INFO L87 Difference]: Start difference. First operand 68 states and 81 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:47:43,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:43,808 INFO L93 Difference]: Finished difference Result 74 states and 86 transitions. [2024-11-23 23:47:43,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:43,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 52 [2024-11-23 23:47:43,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:43,809 INFO L225 Difference]: With dead ends: 74 [2024-11-23 23:47:43,809 INFO L226 Difference]: Without dead ends: 68 [2024-11-23 23:47:43,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:43,810 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 1 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:43,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 138 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:43,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-23 23:47:43,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-23 23:47:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 55 states have (on average 1.1272727272727272) internal successors, (62), 59 states have internal predecessors, (62), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-23 23:47:43,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2024-11-23 23:47:43,819 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 52 [2024-11-23 23:47:43,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:43,819 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2024-11-23 23:47:43,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:47:43,819 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2024-11-23 23:47:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-23 23:47:43,821 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:43,821 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:43,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 23:47:43,823 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:47:43,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:43,824 INFO L85 PathProgramCache]: Analyzing trace with hash -924599235, now seen corresponding path program 1 times [2024-11-23 23:47:43,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:43,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911924027] [2024-11-23 23:47:43,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:43,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 23:47:43,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:43,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911924027] [2024-11-23 23:47:43,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911924027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:43,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:43,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:47:43,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727301484] [2024-11-23 23:47:43,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:43,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:47:43,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:43,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:47:43,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:43,934 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:47:43,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:43,942 INFO L93 Difference]: Finished difference Result 72 states and 84 transitions. [2024-11-23 23:47:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:47:43,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 53 [2024-11-23 23:47:43,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:43,942 INFO L225 Difference]: With dead ends: 72 [2024-11-23 23:47:43,943 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:47:43,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:47:43,944 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:43,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:47:43,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:47:43,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:47:43,947 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) [2024-11-23 23:47:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:47:43,947 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2024-11-23 23:47:43,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:43,948 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:47:43,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:47:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:47:43,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:47:43,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-23 23:47:43,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-23 23:47:43,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-23 23:47:43,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-23 23:47:43,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-23 23:47:43,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-23 23:47:43,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-23 23:47:43,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-23 23:47:43,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:47:43,960 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:43,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:47:44,044 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:47:44,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:47:44 BoogieIcfgContainer [2024-11-23 23:47:44,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:47:44,056 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:47:44,056 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:47:44,056 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:47:44,057 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:47:40" (3/4) ... [2024-11-23 23:47:44,060 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:47:44,066 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-23 23:47:44,067 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-23 23:47:44,078 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-23 23:47:44,080 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-23 23:47:44,081 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 23:47:44,081 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:47:44,081 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:47:44,211 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:47:44,211 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:47:44,211 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:47:44,212 INFO L158 Benchmark]: Toolchain (without parser) took 5848.51ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 29.9MB in the end (delta: 58.7MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2024-11-23 23:47:44,213 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:47:44,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1530.27ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 77.0MB in the end (delta: 11.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-23 23:47:44,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.22ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 73.8MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:47:44,214 INFO L158 Benchmark]: Boogie Preprocessor took 86.05ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 71.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:47:44,214 INFO L158 Benchmark]: RCFGBuilder took 702.50ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 54.4MB in the end (delta: 17.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:47:44,214 INFO L158 Benchmark]: TraceAbstraction took 3275.66ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 36.0MB in the end (delta: 17.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-23 23:47:44,215 INFO L158 Benchmark]: Witness Printer took 155.89ms. Allocated memory is still 117.4MB. Free memory was 36.0MB in the beginning and 29.9MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:47:44,217 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1530.27ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 77.0MB in the end (delta: 11.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.22ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 73.8MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 86.05ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 71.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 702.50ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 54.4MB in the end (delta: 17.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3275.66ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 36.0MB in the end (delta: 17.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 155.89ms. Allocated memory is still 117.4MB. Free memory was 36.0MB in the beginning and 29.9MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. 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: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 87 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 2501 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1198 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 1303 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 15 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 493 NumberOfCodeBlocks, 493 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 478 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 104/104 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 23:47:44,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3150985-beb7-4e88-b523-7efd3d339773/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE