./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_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_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/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_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/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_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/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 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:45:03,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:45:03,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 22:45:03,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:45:03,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:45:03,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:45:03,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:45:03,526 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:45:03,527 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:45:03,528 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:45:03,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:45:03,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:45:03,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:45:03,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:45:03,529 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:45:03,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:45:03,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:45:03,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:45:03,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:45:03,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:45:03,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:45:03,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:45:03,532 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 22:45:03,533 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:45:03,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:45:03,533 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:45:03,533 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:45:03,533 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:45:03,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:45:03,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:45:03,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:45:03,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:45:03,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:45:03,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:45:03,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:45:03,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:45:03,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:45:03,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:45:03,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:45:03,535 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:45:03,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:45:03,536 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:45:03,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:45:03,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:45:03,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:45:03,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:45:03,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:45:03,537 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_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/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 -> 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 [2024-11-23 22:45:03,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:45:03,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:45:03,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:45:03,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:45:03,961 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:45:03,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2024-11-23 22:45:07,617 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/data/6c5470dae/08414d1088884caaa962a2c96a4a68ca/FLAG0484d09ab [2024-11-23 22:45:08,268 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:45:08,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2024-11-23 22:45:08,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/data/6c5470dae/08414d1088884caaa962a2c96a4a68ca/FLAG0484d09ab [2024-11-23 22:45:08,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/data/6c5470dae/08414d1088884caaa962a2c96a4a68ca [2024-11-23 22:45:08,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:45:08,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:45:08,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:45:08,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:45:08,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:45:08,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:45:08" (1/1) ... [2024-11-23 22:45:08,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70dcbfa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:08, skipping insertion in model container [2024-11-23 22:45:08,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:45:08" (1/1) ... [2024-11-23 22:45:08,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:45:09,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:45:09,994 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:45:10,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:45:10,295 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:45:10,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10 WrapperNode [2024-11-23 22:45:10,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:45:10,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:45:10,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:45:10,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:45:10,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (1/1) ... [2024-11-23 22:45:10,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (1/1) ... [2024-11-23 22:45:10,350 INFO L138 Inliner]: procedures = 500, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2024-11-23 22:45:10,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:45:10,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:45:10,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:45:10,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:45:10,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (1/1) ... [2024-11-23 22:45:10,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (1/1) ... [2024-11-23 22:45:10,366 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (1/1) ... [2024-11-23 22:45:10,379 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-23 22:45:10,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (1/1) ... [2024-11-23 22:45:10,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (1/1) ... [2024-11-23 22:45:10,390 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (1/1) ... [2024-11-23 22:45:10,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (1/1) ... [2024-11-23 22:45:10,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (1/1) ... [2024-11-23 22:45:10,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (1/1) ... [2024-11-23 22:45:10,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (1/1) ... [2024-11-23 22:45:10,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:45:10,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:45:10,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:45:10,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:45:10,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (1/1) ... [2024-11-23 22:45:10,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:45:10,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:45:10,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:45:10,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:45:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-23 22:45:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-23 22:45:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 22:45:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 22:45:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:45:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:45:10,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:45:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:45:10,689 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:45:10,692 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:45:10,951 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-23 22:45:10,951 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:45:10,967 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:45:10,967 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 22:45:10,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:45:10 BoogieIcfgContainer [2024-11-23 22:45:10,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:45:10,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:45:10,972 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:45:10,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:45:10,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:45:08" (1/3) ... [2024-11-23 22:45:10,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f335a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:45:10, skipping insertion in model container [2024-11-23 22:45:10,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:10" (2/3) ... [2024-11-23 22:45:10,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f335a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:45:10, skipping insertion in model container [2024-11-23 22:45:10,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:45:10" (3/3) ... [2024-11-23 22:45:10,985 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2024-11-23 22:45:11,005 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:45:11,007 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_preinc_17_good.i that has 3 procedures, 61 locations, 1 initial locations, 4 loop locations, and 12 error locations. [2024-11-23 22:45:11,074 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:45:11,090 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;@6a799ff9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:45:11,090 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-23 22:45:11,095 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 40 states have (on average 1.575) internal successors, (63), 54 states have internal predecessors, (63), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:45:11,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-23 22:45:11,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:11,103 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:45:11,104 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 22:45:11,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:11,110 INFO L85 PathProgramCache]: Analyzing trace with hash 139730804, now seen corresponding path program 1 times [2024-11-23 22:45:11,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:11,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935813098] [2024-11-23 22:45:11,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:11,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:11,691 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 22:45:11,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:11,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935813098] [2024-11-23 22:45:11,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935813098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:11,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:45:11,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:45:11,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059915069] [2024-11-23 22:45:11,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:11,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:45:11,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:11,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:45:11,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:45:11,735 INFO L87 Difference]: Start difference. First operand has 61 states, 40 states have (on average 1.575) internal successors, (63), 54 states have internal predecessors, (63), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 22:45:11,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:11,831 INFO L93 Difference]: Finished difference Result 118 states and 145 transitions. [2024-11-23 22:45:11,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:45:11,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 13 [2024-11-23 22:45:11,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:11,845 INFO L225 Difference]: With dead ends: 118 [2024-11-23 22:45:11,846 INFO L226 Difference]: Without dead ends: 61 [2024-11-23 22:45:11,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:45:11,860 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 2 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:11,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 194 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:45:11,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-23 22:45:11,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-23 22:45:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 55 states have internal predecessors, (60), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:45:11,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions. [2024-11-23 22:45:11,923 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 72 transitions. Word has length 13 [2024-11-23 22:45:11,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:11,924 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 72 transitions. [2024-11-23 22:45:11,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 22:45:11,925 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2024-11-23 22:45:11,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-23 22:45:11,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:11,928 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:45:11,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:45:11,929 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 22:45:11,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:11,930 INFO L85 PathProgramCache]: Analyzing trace with hash -967994775, now seen corresponding path program 1 times [2024-11-23 22:45:11,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:11,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339306565] [2024-11-23 22:45:11,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:11,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:45:12,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:12,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339306565] [2024-11-23 22:45:12,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339306565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:45:12,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662107282] [2024-11-23 22:45:12,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:12,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:12,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:45:12,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:45:12,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:45:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:12,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:45:12,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:45:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:45:12,589 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:45:12,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662107282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:12,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:45:12,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-23 22:45:12,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548649971] [2024-11-23 22:45:12,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:12,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:45:12,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:12,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:45:12,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:45:12,597 INFO L87 Difference]: Start difference. First operand 61 states and 72 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 22:45:12,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:12,643 INFO L93 Difference]: Finished difference Result 103 states and 120 transitions. [2024-11-23 22:45:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:45:12,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 19 [2024-11-23 22:45:12,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:12,645 INFO L225 Difference]: With dead ends: 103 [2024-11-23 22:45:12,646 INFO L226 Difference]: Without dead ends: 53 [2024-11-23 22:45:12,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:45:12,648 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:12,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 163 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:45:12,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-23 22:45:12,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-23 22:45:12,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 47 states have internal predecessors, (51), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 22:45:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2024-11-23 22:45:12,662 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 19 [2024-11-23 22:45:12,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:12,663 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2024-11-23 22:45:12,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 22:45:12,664 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2024-11-23 22:45:12,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-23 22:45:12,665 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:12,665 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:45:12,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 22:45:12,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:12,869 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 22:45:12,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:12,870 INFO L85 PathProgramCache]: Analyzing trace with hash -965652178, now seen corresponding path program 1 times [2024-11-23 22:45:12,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:12,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981604975] [2024-11-23 22:45:12,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:12,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:13,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:45:13,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:13,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981604975] [2024-11-23 22:45:13,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981604975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:13,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:45:13,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:45:13,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436143353] [2024-11-23 22:45:13,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:13,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:45:13,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:13,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:45:13,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:45:13,005 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (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 22:45:13,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:13,050 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2024-11-23 22:45:13,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:45:13,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (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 19 [2024-11-23 22:45:13,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:13,052 INFO L225 Difference]: With dead ends: 53 [2024-11-23 22:45:13,052 INFO L226 Difference]: Without dead ends: 52 [2024-11-23 22:45:13,052 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 22:45:13,053 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 12 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:13,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 88 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:45:13,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-23 22:45:13,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-23 22:45:13,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 46 states have internal predecessors, (50), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 22:45:13,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2024-11-23 22:45:13,070 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 19 [2024-11-23 22:45:13,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:13,070 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2024-11-23 22:45:13,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (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 22:45:13,071 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2024-11-23 22:45:13,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-23 22:45:13,071 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:13,072 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] [2024-11-23 22:45:13,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:45:13,072 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 22:45:13,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:13,075 INFO L85 PathProgramCache]: Analyzing trace with hash 129553640, now seen corresponding path program 1 times [2024-11-23 22:45:13,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:13,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796193254] [2024-11-23 22:45:13,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:13,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:13,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 22:45:13,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:13,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796193254] [2024-11-23 22:45:13,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796193254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:13,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:45:13,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:45:13,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310861398] [2024-11-23 22:45:13,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:13,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:45:13,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:13,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:45:13,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:45:13,166 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:45:13,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:13,210 INFO L93 Difference]: Finished difference Result 98 states and 114 transitions. [2024-11-23 22:45:13,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:45:13,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-23 22:45:13,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:13,215 INFO L225 Difference]: With dead ends: 98 [2024-11-23 22:45:13,215 INFO L226 Difference]: Without dead ends: 59 [2024-11-23 22:45:13,215 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 22:45:13,216 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 10 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 113 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 22:45:13,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 113 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:45:13,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-23 22:45:13,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2024-11-23 22:45:13,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 51 states have internal predecessors, (57), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 22:45:13,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2024-11-23 22:45:13,235 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 20 [2024-11-23 22:45:13,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:13,235 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2024-11-23 22:45:13,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:45:13,235 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2024-11-23 22:45:13,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-23 22:45:13,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:13,239 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] [2024-11-23 22:45:13,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:45:13,239 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 22:45:13,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:13,240 INFO L85 PathProgramCache]: Analyzing trace with hash -276368394, now seen corresponding path program 1 times [2024-11-23 22:45:13,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:13,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194909211] [2024-11-23 22:45:13,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:13,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 22:45:13,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:13,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194909211] [2024-11-23 22:45:13,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194909211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:13,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:45:13,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:45:13,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624001513] [2024-11-23 22:45:13,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:13,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:45:13,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:13,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:45:13,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:45:13,377 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 22:45:13,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:13,423 INFO L93 Difference]: Finished difference Result 88 states and 102 transitions. [2024-11-23 22:45:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:45:13,423 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-23 22:45:13,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:13,424 INFO L225 Difference]: With dead ends: 88 [2024-11-23 22:45:13,424 INFO L226 Difference]: Without dead ends: 66 [2024-11-23 22:45:13,425 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 22:45:13,426 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 6 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:13,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 109 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:45:13,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-23 22:45:13,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2024-11-23 22:45:13,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 52 states have internal predecessors, (57), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 22:45:13,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 67 transitions. [2024-11-23 22:45:13,448 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 67 transitions. Word has length 21 [2024-11-23 22:45:13,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:13,448 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 67 transitions. [2024-11-23 22:45:13,448 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), 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 22:45:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2024-11-23 22:45:13,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-23 22:45:13,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:13,449 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] [2024-11-23 22:45:13,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:45:13,450 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 22:45:13,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:13,450 INFO L85 PathProgramCache]: Analyzing trace with hash 481221867, now seen corresponding path program 1 times [2024-11-23 22:45:13,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:13,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561199598] [2024-11-23 22:45:13,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:13,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 22:45:13,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:13,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561199598] [2024-11-23 22:45:13,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561199598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:13,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:45:13,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:45:13,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682932467] [2024-11-23 22:45:13,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:13,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:45:13,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:13,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:45:13,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:45:13,620 INFO L87 Difference]: Start difference. First operand 59 states and 67 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 22:45:13,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:13,711 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2024-11-23 22:45:13,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:45:13,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 25 [2024-11-23 22:45:13,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:13,713 INFO L225 Difference]: With dead ends: 70 [2024-11-23 22:45:13,713 INFO L226 Difference]: Without dead ends: 68 [2024-11-23 22:45:13,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:45:13,716 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 5 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:13,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 157 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:45:13,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-23 22:45:13,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-23 22:45:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 60 states have internal predecessors, (65), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-23 22:45:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions. [2024-11-23 22:45:13,737 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 25 [2024-11-23 22:45:13,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:13,737 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions. [2024-11-23 22:45:13,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 22:45:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2024-11-23 22:45:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-23 22:45:13,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:13,739 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] [2024-11-23 22:45:13,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:45:13,739 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 22:45:13,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:13,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1987249984, now seen corresponding path program 1 times [2024-11-23 22:45:13,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:13,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003208578] [2024-11-23 22:45:13,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:13,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:13,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 22:45:13,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:13,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003208578] [2024-11-23 22:45:13,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003208578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:13,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:45:13,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:45:13,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111807562] [2024-11-23 22:45:13,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:13,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:45:13,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:13,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:45:13,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:45:13,898 INFO L87 Difference]: Start difference. First operand 68 states and 79 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 22:45:13,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:13,939 INFO L93 Difference]: Finished difference Result 89 states and 101 transitions. [2024-11-23 22:45:13,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:45:13,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 31 [2024-11-23 22:45:13,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:13,941 INFO L225 Difference]: With dead ends: 89 [2024-11-23 22:45:13,941 INFO L226 Difference]: Without dead ends: 72 [2024-11-23 22:45:13,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:45:13,942 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 1 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:13,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 160 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:45:13,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-23 22:45:13,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-23 22:45:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 55 states have (on average 1.2545454545454546) internal successors, (69), 64 states have internal predecessors, (69), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-23 22:45:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 83 transitions. [2024-11-23 22:45:13,962 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 83 transitions. Word has length 31 [2024-11-23 22:45:13,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:13,963 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 83 transitions. [2024-11-23 22:45:13,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 22:45:13,964 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2024-11-23 22:45:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-23 22:45:13,968 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:13,968 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:45:13,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 22:45:13,968 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 22:45:13,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:13,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1567374133, now seen corresponding path program 1 times [2024-11-23 22:45:13,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:13,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750652511] [2024-11-23 22:45:13,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:13,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:14,105 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-23 22:45:14,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:14,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750652511] [2024-11-23 22:45:14,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750652511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:45:14,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871334635] [2024-11-23 22:45:14,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:14,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:14,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:45:14,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:45:14,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:45:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:14,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:45:14,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:45:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 22:45:14,339 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:45:14,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871334635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:14,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:45:14,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-23 22:45:14,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911540808] [2024-11-23 22:45:14,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:14,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:45:14,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:14,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:45:14,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:45:14,342 INFO L87 Difference]: Start difference. First operand 72 states and 83 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-23 22:45:14,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:14,382 INFO L93 Difference]: Finished difference Result 103 states and 116 transitions. [2024-11-23 22:45:14,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:45:14,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 35 [2024-11-23 22:45:14,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:14,384 INFO L225 Difference]: With dead ends: 103 [2024-11-23 22:45:14,384 INFO L226 Difference]: Without dead ends: 61 [2024-11-23 22:45:14,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:45:14,387 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 4 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:14,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 149 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:45:14,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-23 22:45:14,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-23 22:45:14,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 54 states have internal predecessors, (58), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 22:45:14,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2024-11-23 22:45:14,401 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 35 [2024-11-23 22:45:14,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:14,401 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 68 transitions. [2024-11-23 22:45:14,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-23 22:45:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2024-11-23 22:45:14,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-23 22:45:14,402 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:14,402 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-11-23 22:45:14,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 22:45:14,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:14,608 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 22:45:14,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:14,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1800621434, now seen corresponding path program 1 times [2024-11-23 22:45:14,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:14,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069235727] [2024-11-23 22:45:14,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:14,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:14,764 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 22:45:14,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:14,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069235727] [2024-11-23 22:45:14,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069235727] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:45:14,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981361197] [2024-11-23 22:45:14,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:14,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:14,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:45:14,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:45:14,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 22:45:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:14,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:45:14,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:45:14,993 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 22:45:14,994 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:45:14,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981361197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:14,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:45:14,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-23 22:45:14,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305000383] [2024-11-23 22:45:14,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:14,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:45:14,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:14,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:45:14,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:45:14,995 INFO L87 Difference]: Start difference. First operand 61 states and 68 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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 22:45:15,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:15,028 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions. [2024-11-23 22:45:15,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:45:15,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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 22:45:15,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:15,030 INFO L225 Difference]: With dead ends: 77 [2024-11-23 22:45:15,030 INFO L226 Difference]: Without dead ends: 56 [2024-11-23 22:45:15,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:45:15,031 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:15,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:45:15,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-23 22:45:15,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-23 22:45:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 22:45:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2024-11-23 22:45:15,052 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 35 [2024-11-23 22:45:15,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:15,052 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2024-11-23 22:45:15,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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 22:45:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2024-11-23 22:45:15,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-23 22:45:15,053 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:15,053 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, 1] [2024-11-23 22:45:15,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 22:45:15,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:15,254 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 22:45:15,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:15,255 INFO L85 PathProgramCache]: Analyzing trace with hash -15242622, now seen corresponding path program 1 times [2024-11-23 22:45:15,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:15,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776356017] [2024-11-23 22:45:15,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:15,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 22:45:15,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:15,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776356017] [2024-11-23 22:45:15,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776356017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:15,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:45:15,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:45:15,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215252143] [2024-11-23 22:45:15,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:15,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:45:15,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:15,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:45:15,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:45:15,355 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 22:45:15,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:15,383 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2024-11-23 22:45:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:45:15,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2024-11-23 22:45:15,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:15,385 INFO L225 Difference]: With dead ends: 61 [2024-11-23 22:45:15,385 INFO L226 Difference]: Without dead ends: 59 [2024-11-23 22:45:15,386 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 22:45:15,386 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:15,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 98 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:45:15,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-23 22:45:15,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-23 22:45:15,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 22:45:15,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 65 transitions. [2024-11-23 22:45:15,396 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 65 transitions. Word has length 36 [2024-11-23 22:45:15,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:15,397 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 65 transitions. [2024-11-23 22:45:15,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 22:45:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2024-11-23 22:45:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-23 22:45:15,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:15,398 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:45:15,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 22:45:15,399 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 22:45:15,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:15,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2088107044, now seen corresponding path program 1 times [2024-11-23 22:45:15,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:15,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651510187] [2024-11-23 22:45:15,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:15,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:15,549 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 22:45:15,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:15,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651510187] [2024-11-23 22:45:15,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651510187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:15,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:45:15,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:45:15,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967881918] [2024-11-23 22:45:15,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:15,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:45:15,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:15,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:45:15,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:45:15,552 INFO L87 Difference]: Start difference. First operand 59 states and 65 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 22:45:15,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:15,587 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions. [2024-11-23 22:45:15,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:45:15,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2024-11-23 22:45:15,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:15,589 INFO L225 Difference]: With dead ends: 65 [2024-11-23 22:45:15,589 INFO L226 Difference]: Without dead ends: 63 [2024-11-23 22:45:15,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:45:15,590 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 1 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:15,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 148 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:45:15,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-23 22:45:15,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-23 22:45:15,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 51 states have (on average 1.1372549019607843) internal successors, (58), 55 states have internal predecessors, (58), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:45:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2024-11-23 22:45:15,600 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 43 [2024-11-23 22:45:15,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:15,600 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2024-11-23 22:45:15,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 22:45:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2024-11-23 22:45:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-23 22:45:15,602 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:15,602 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:45:15,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 22:45:15,602 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 22:45:15,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:15,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1509230837, now seen corresponding path program 1 times [2024-11-23 22:45:15,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:15,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424393130] [2024-11-23 22:45:15,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:15,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 22:45:15,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:15,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424393130] [2024-11-23 22:45:15,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424393130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:45:15,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256870167] [2024-11-23 22:45:15,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:15,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:15,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:45:15,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:45:15,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 22:45:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:15,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 22:45:15,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:45:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 22:45:16,003 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:45:16,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256870167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:16,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:45:16,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-23 22:45:16,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251139065] [2024-11-23 22:45:16,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:16,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:45:16,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:16,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:45:16,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:45:16,005 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 22:45:16,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:16,039 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2024-11-23 22:45:16,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:45:16,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2024-11-23 22:45:16,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:16,041 INFO L225 Difference]: With dead ends: 63 [2024-11-23 22:45:16,041 INFO L226 Difference]: Without dead ends: 62 [2024-11-23 22:45:16,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:45:16,042 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 3 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:16,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 133 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:45:16,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-23 22:45:16,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-23 22:45:16,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 51 states have (on average 1.1176470588235294) internal successors, (57), 54 states have internal predecessors, (57), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:45:16,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2024-11-23 22:45:16,058 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 46 [2024-11-23 22:45:16,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:16,059 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions. [2024-11-23 22:45:16,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 22:45:16,060 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2024-11-23 22:45:16,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-23 22:45:16,061 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:16,061 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:45:16,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 22:45:16,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:16,262 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 22:45:16,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:16,263 INFO L85 PathProgramCache]: Analyzing trace with hash 458484441, now seen corresponding path program 1 times [2024-11-23 22:45:16,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:16,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957708204] [2024-11-23 22:45:16,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:16,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:16,432 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 22:45:16,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:16,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957708204] [2024-11-23 22:45:16,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957708204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:45:16,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840956217] [2024-11-23 22:45:16,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:16,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:16,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:45:16,439 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:45:16,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 22:45:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:16,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 22:45:16,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:45:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 22:45:16,674 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:45:16,777 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 22:45:16,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840956217] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:45:16,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:45:16,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2024-11-23 22:45:16,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661573414] [2024-11-23 22:45:16,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:45:16,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:45:16,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:16,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:45:16,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:45:16,785 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-23 22:45:16,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:16,906 INFO L93 Difference]: Finished difference Result 66 states and 72 transitions. [2024-11-23 22:45:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:45:16,907 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 47 [2024-11-23 22:45:16,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:16,908 INFO L225 Difference]: With dead ends: 66 [2024-11-23 22:45:16,908 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 22:45:16,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-23 22:45:16,910 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 2 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:16,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 284 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:45:16,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 22:45:16,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 22:45:16,914 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 22:45:16,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 22:45:16,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2024-11-23 22:45:16,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:16,914 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:45:16,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-23 22:45:16,916 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 22:45:16,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 22:45:16,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-23 22:45:16,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-23 22:45:16,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-23 22:45:16,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-23 22:45:16,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-23 22:45:16,923 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-23 22:45:16,923 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-23 22:45:16,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-23 22:45:16,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-23 22:45:16,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-23 22:45:16,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-23 22:45:16,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-23 22:45:16,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 22:45:17,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-23 22:45:17,132 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:45:17,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 22:45:17,320 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:45:17,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:45:17 BoogieIcfgContainer [2024-11-23 22:45:17,345 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:45:17,347 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:45:17,347 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:45:17,347 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:45:17,348 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:45:10" (3/4) ... [2024-11-23 22:45:17,351 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:45:17,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-23 22:45:17,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-23 22:45:17,367 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-23 22:45:17,368 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-23 22:45:17,368 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 22:45:17,369 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:45:17,472 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:45:17,473 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:45:17,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:45:17,474 INFO L158 Benchmark]: Toolchain (without parser) took 8743.82ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 97.4MB in the beginning and 189.9MB in the end (delta: -92.5MB). Peak memory consumption was 119.9MB. Max. memory is 16.1GB. [2024-11-23 22:45:17,475 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:45:17,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1565.00ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 38.1MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-23 22:45:17,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.71ms. Allocated memory is still 142.6MB. Free memory was 38.1MB in the beginning and 35.3MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:45:17,476 INFO L158 Benchmark]: Boogie Preprocessor took 49.32ms. Allocated memory is still 142.6MB. Free memory was 35.3MB in the beginning and 33.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:45:17,476 INFO L158 Benchmark]: RCFGBuilder took 568.67ms. Allocated memory is still 142.6MB. Free memory was 33.3MB in the beginning and 85.9MB in the end (delta: -52.6MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-23 22:45:17,477 INFO L158 Benchmark]: TraceAbstraction took 6373.50ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 85.2MB in the beginning and 195.8MB in the end (delta: -110.6MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2024-11-23 22:45:17,477 INFO L158 Benchmark]: Witness Printer took 126.30ms. Allocated memory is still 352.3MB. Free memory was 195.8MB in the beginning and 189.9MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:45:17,479 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1565.00ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 38.1MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.71ms. Allocated memory is still 142.6MB. Free memory was 38.1MB in the beginning and 35.3MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.32ms. Allocated memory is still 142.6MB. Free memory was 35.3MB in the beginning and 33.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 568.67ms. Allocated memory is still 142.6MB. Free memory was 33.3MB in the beginning and 85.9MB in the end (delta: -52.6MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6373.50ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 85.2MB in the beginning and 195.8MB in the end (delta: -110.6MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. * Witness Printer took 126.30ms. Allocated memory is still 352.3MB. Free memory was 195.8MB in the beginning and 189.9MB in the end (delta: 5.9MB). 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 61 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 1944 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1231 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 188 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 713 mSDtfsCounter, 188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=7, InterpolantAutomatonStates: 54, 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, 13 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 572 NumberOfCodeBlocks, 572 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 600 ConstructedInterpolants, 0 QuantifiedInterpolants, 878 SizeOfPredicates, 0 NumberOfNonLiveVariables, 818 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 129/140 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 12 specifications checked. All of them hold - InvariantResult [Line: 1586]: Loop Invariant Derived loop invariant: (((data <= 2) && (h == 0)) || ((1 <= h) && (data == 2))) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (((1 <= i) && (0 <= (data + 2147483648))) || (((0 <= (data + 2147483648)) && (i == 0)) && (data <= 2147483646))) - InvariantResult [Line: 1590]: Loop Invariant Derived loop invariant: (((1 <= j) && (data == 3)) || ((j == 0) && (data == 2))) - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: (((k == 0) && (0 <= (data + 2147483648))) || ((1 <= k) && (0 <= (data + 2147483648)))) RESULT: Ultimate proved your program to be correct! [2024-11-23 22:45:17,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e4a5be-0ec9-4aa5-a194-cae99029b7d7/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