./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_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_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/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_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/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_742a5ce5-13f0-45f3-94a7-8e35b376964e/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 2cdaed2907f05652b8d80e7807a6570ff4fe9c756e25cc4c588f625603205857 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:07:39,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:07:39,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 23:07:39,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:07:39,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:07:39,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:07:39,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:07:39,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:07:39,212 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:07:39,212 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:07:39,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:07:39,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:07:39,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:07:39,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:07:39,214 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:07:39,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:07:39,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:07:39,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:07:39,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:07:39,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:07:39,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:07:39,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:07:39,216 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 23:07:39,216 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:07:39,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:07:39,216 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:07:39,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:07:39,216 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:07:39,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:07:39,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:07:39,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:07:39,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:07:39,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:07:39,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:07:39,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:07:39,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:07:39,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:07:39,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:07:39,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:07:39,219 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:07:39,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:07:39,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:07:39,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:07:39,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:07:39,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:07:39,219 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:07:39,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:07:39,219 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_742a5ce5-13f0-45f3-94a7-8e35b376964e/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 -> 2cdaed2907f05652b8d80e7807a6570ff4fe9c756e25cc4c588f625603205857 [2024-11-23 23:07:39,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:07:39,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:07:39,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:07:39,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:07:39,523 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:07:39,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_good.i [2024-11-23 23:07:42,454 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/data/930622c9d/8773ffd49d964d5782ba01bf16a99739/FLAGd604e9f1a [2024-11-23 23:07:42,938 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:07:42,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_good.i [2024-11-23 23:07:42,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/data/930622c9d/8773ffd49d964d5782ba01bf16a99739/FLAGd604e9f1a [2024-11-23 23:07:43,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/data/930622c9d/8773ffd49d964d5782ba01bf16a99739 [2024-11-23 23:07:43,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:07:43,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:07:43,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:07:43,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:07:43,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:07:43,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:07:43" (1/1) ... [2024-11-23 23:07:43,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7555fa57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:43, skipping insertion in model container [2024-11-23 23:07:43,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:07:43" (1/1) ... [2024-11-23 23:07:43,106 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:07:44,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:07:44,074 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:07:44,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:07:44,379 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:07:44,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44 WrapperNode [2024-11-23 23:07:44,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:07:44,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:07:44,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:07:44,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:07:44,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (1/1) ... [2024-11-23 23:07:44,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (1/1) ... [2024-11-23 23:07:44,452 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 144 [2024-11-23 23:07:44,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:07:44,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:07:44,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:07:44,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:07:44,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (1/1) ... [2024-11-23 23:07:44,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (1/1) ... [2024-11-23 23:07:44,470 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (1/1) ... [2024-11-23 23:07:44,486 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 23:07:44,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (1/1) ... [2024-11-23 23:07:44,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (1/1) ... [2024-11-23 23:07:44,495 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (1/1) ... [2024-11-23 23:07:44,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (1/1) ... [2024-11-23 23:07:44,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (1/1) ... [2024-11-23 23:07:44,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (1/1) ... [2024-11-23 23:07:44,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (1/1) ... [2024-11-23 23:07:44,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:07:44,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:07:44,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:07:44,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:07:44,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (1/1) ... [2024-11-23 23:07:44,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:07:44,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:44,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:44,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:07:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-23 23:07:44,581 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-23 23:07:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 23:07:44,581 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 23:07:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:07:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:07:44,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:07:44,751 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:07:44,753 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:07:45,133 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-23 23:07:45,133 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:07:45,151 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:07:45,151 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 23:07:45,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:45 BoogieIcfgContainer [2024-11-23 23:07:45,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:07:45,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:07:45,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:07:45,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:07:45,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:07:43" (1/3) ... [2024-11-23 23:07:45,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543ec99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:07:45, skipping insertion in model container [2024-11-23 23:07:45,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:44" (2/3) ... [2024-11-23 23:07:45,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543ec99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:07:45, skipping insertion in model container [2024-11-23 23:07:45,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:45" (3/3) ... [2024-11-23 23:07:45,161 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_17_good.i [2024-11-23 23:07:45,178 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:07:45,180 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_multiply_17_good.i that has 3 procedures, 83 locations, 1 initial locations, 4 loop locations, and 12 error locations. [2024-11-23 23:07:45,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:07:45,260 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;@64ac560, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:07:45,260 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-23 23:07:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 63 states have (on average 1.5873015873015872) internal successors, (100), 76 states have internal predecessors, (100), 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 23:07:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-23 23:07:45,273 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:45,273 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:45,274 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 23:07:45,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:45,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1497694645, now seen corresponding path program 1 times [2024-11-23 23:07:45,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:45,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598945801] [2024-11-23 23:07:45,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:45,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:45,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:45,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598945801] [2024-11-23 23:07:45,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598945801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:45,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:45,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:07:45,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272446901] [2024-11-23 23:07:45,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:45,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:45,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:45,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:45,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:45,569 INFO L87 Difference]: Start difference. First operand has 83 states, 63 states have (on average 1.5873015873015872) internal successors, (100), 76 states have internal predecessors, (100), 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) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:45,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:45,629 INFO L93 Difference]: Finished difference Result 158 states and 211 transitions. [2024-11-23 23:07:45,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:45,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-23 23:07:45,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:45,638 INFO L225 Difference]: With dead ends: 158 [2024-11-23 23:07:45,639 INFO L226 Difference]: Without dead ends: 100 [2024-11-23 23:07:45,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:45,650 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 36 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:45,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 204 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:45,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-23 23:07:45,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 77. [2024-11-23 23:07:45,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 71 states have internal predecessors, (91), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:07:45,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2024-11-23 23:07:45,704 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 14 [2024-11-23 23:07:45,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:45,707 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2024-11-23 23:07:45,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:45,708 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2024-11-23 23:07:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-23 23:07:45,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:45,710 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:45,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:07:45,711 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 23:07:45,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:45,712 INFO L85 PathProgramCache]: Analyzing trace with hash -350403776, now seen corresponding path program 1 times [2024-11-23 23:07:45,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:45,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231242935] [2024-11-23 23:07:45,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:45,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:46,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:46,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:46,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231242935] [2024-11-23 23:07:46,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231242935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:46,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:46,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:07:46,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505285795] [2024-11-23 23:07:46,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:46,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:07:46,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:46,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:07:46,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:07:46,055 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:46,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:46,113 INFO L93 Difference]: Finished difference Result 104 states and 139 transitions. [2024-11-23 23:07:46,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:07:46,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-23 23:07:46,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:46,115 INFO L225 Difference]: With dead ends: 104 [2024-11-23 23:07:46,115 INFO L226 Difference]: Without dead ends: 102 [2024-11-23 23:07:46,115 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 23:07:46,116 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 30 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:46,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 275 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:46,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-23 23:07:46,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-23 23:07:46,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 84 states have (on average 1.5357142857142858) internal successors, (129), 96 states have internal predecessors, (129), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:07:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 137 transitions. [2024-11-23 23:07:46,129 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 137 transitions. Word has length 17 [2024-11-23 23:07:46,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:46,129 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 137 transitions. [2024-11-23 23:07:46,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 137 transitions. [2024-11-23 23:07:46,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-23 23:07:46,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:46,130 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:46,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:07:46,130 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 23:07:46,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:46,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1632017241, now seen corresponding path program 1 times [2024-11-23 23:07:46,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:46,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806520206] [2024-11-23 23:07:46,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:46,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:46,335 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 23:07:46,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:46,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806520206] [2024-11-23 23:07:46,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806520206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:46,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:46,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:07:46,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051808407] [2024-11-23 23:07:46,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:46,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:07:46,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:46,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:07:46,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:07:46,337 INFO L87 Difference]: Start difference. First operand 102 states and 137 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:46,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:46,397 INFO L93 Difference]: Finished difference Result 141 states and 183 transitions. [2024-11-23 23:07:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:07:46,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-23 23:07:46,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:46,399 INFO L225 Difference]: With dead ends: 141 [2024-11-23 23:07:46,399 INFO L226 Difference]: Without dead ends: 115 [2024-11-23 23:07:46,399 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 23:07:46,400 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 9 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:46,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 276 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:46,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-23 23:07:46,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2024-11-23 23:07:46,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 93 states have (on average 1.5268817204301075) internal successors, (142), 106 states have internal predecessors, (142), 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 23:07:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 154 transitions. [2024-11-23 23:07:46,409 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 154 transitions. Word has length 24 [2024-11-23 23:07:46,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:46,410 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 154 transitions. [2024-11-23 23:07:46,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 154 transitions. [2024-11-23 23:07:46,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-23 23:07:46,410 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:46,411 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:46,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:07:46,411 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 23:07:46,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:46,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1632002378, now seen corresponding path program 1 times [2024-11-23 23:07:46,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:46,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685358635] [2024-11-23 23:07:46,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:46,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:46,511 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 23:07:46,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:46,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685358635] [2024-11-23 23:07:46,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685358635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:46,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:46,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:07:46,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626842288] [2024-11-23 23:07:46,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:46,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:46,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:46,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:46,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:46,513 INFO L87 Difference]: Start difference. First operand 113 states and 154 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:46,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:46,559 INFO L93 Difference]: Finished difference Result 167 states and 219 transitions. [2024-11-23 23:07:46,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:46,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-23 23:07:46,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:46,565 INFO L225 Difference]: With dead ends: 167 [2024-11-23 23:07:46,565 INFO L226 Difference]: Without dead ends: 124 [2024-11-23 23:07:46,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:46,569 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 47 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:46,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 180 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:46,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-23 23:07:46,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 121. [2024-11-23 23:07:46,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 102 states have (on average 1.5) internal successors, (153), 112 states have internal predecessors, (153), 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 23:07:46,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 165 transitions. [2024-11-23 23:07:46,583 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 165 transitions. Word has length 24 [2024-11-23 23:07:46,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:46,583 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 165 transitions. [2024-11-23 23:07:46,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:46,583 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 165 transitions. [2024-11-23 23:07:46,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-23 23:07:46,584 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:46,584 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:46,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:07:46,584 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 23:07:46,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:46,585 INFO L85 PathProgramCache]: Analyzing trace with hash -947533674, now seen corresponding path program 1 times [2024-11-23 23:07:46,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:46,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069665722] [2024-11-23 23:07:46,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:46,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:46,657 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 23:07:46,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:46,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069665722] [2024-11-23 23:07:46,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069665722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:46,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:46,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:07:46,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850584736] [2024-11-23 23:07:46,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:46,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:46,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:46,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:46,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:46,661 INFO L87 Difference]: Start difference. First operand 121 states and 165 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:46,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:46,698 INFO L93 Difference]: Finished difference Result 168 states and 220 transitions. [2024-11-23 23:07:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:46,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (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 25 [2024-11-23 23:07:46,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:46,702 INFO L225 Difference]: With dead ends: 168 [2024-11-23 23:07:46,702 INFO L226 Difference]: Without dead ends: 131 [2024-11-23 23:07:46,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:46,703 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 10 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:46,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 184 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:46,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-23 23:07:46,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2024-11-23 23:07:46,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 110 states have (on average 1.4636363636363636) internal successors, (161), 119 states have internal predecessors, (161), 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 23:07:46,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 173 transitions. [2024-11-23 23:07:46,727 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 173 transitions. Word has length 25 [2024-11-23 23:07:46,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:46,727 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 173 transitions. [2024-11-23 23:07:46,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 173 transitions. [2024-11-23 23:07:46,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-23 23:07:46,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:46,728 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:46,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:07:46,728 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 23:07:46,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:46,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1746330482, now seen corresponding path program 1 times [2024-11-23 23:07:46,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:46,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154463962] [2024-11-23 23:07:46,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:46,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:46,877 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:46,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:46,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154463962] [2024-11-23 23:07:46,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154463962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:07:46,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602034517] [2024-11-23 23:07:46,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:46,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:07:46,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:46,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:07:46,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:07:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:46,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:07:47,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:47,106 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:47,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:07:47,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602034517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:47,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:07:47,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-23 23:07:47,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807908992] [2024-11-23 23:07:47,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:47,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:07:47,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:47,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:07:47,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:07:47,111 INFO L87 Difference]: Start difference. First operand 128 states and 173 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:47,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:47,144 INFO L93 Difference]: Finished difference Result 199 states and 262 transitions. [2024-11-23 23:07:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:07:47,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 27 [2024-11-23 23:07:47,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:47,146 INFO L225 Difference]: With dead ends: 199 [2024-11-23 23:07:47,146 INFO L226 Difference]: Without dead ends: 101 [2024-11-23 23:07:47,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 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 23:07:47,148 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 29 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:47,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 263 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:47,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-23 23:07:47,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-23 23:07:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 85 states have (on average 1.411764705882353) internal successors, (120), 92 states have internal predecessors, (120), 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 23:07:47,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 132 transitions. [2024-11-23 23:07:47,171 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 132 transitions. Word has length 27 [2024-11-23 23:07:47,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:47,171 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 132 transitions. [2024-11-23 23:07:47,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:47,172 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 132 transitions. [2024-11-23 23:07:47,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-23 23:07:47,172 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:47,172 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:47,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:47,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:07:47,373 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 23:07:47,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:47,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1688540052, now seen corresponding path program 1 times [2024-11-23 23:07:47,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:47,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108746885] [2024-11-23 23:07:47,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:47,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 23:07:47,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:47,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108746885] [2024-11-23 23:07:47,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108746885] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:07:47,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791971191] [2024-11-23 23:07:47,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:47,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:07:47,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:47,458 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:07:47,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:07:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:47,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:07:47,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 23:07:47,594 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:07:47,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791971191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:47,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:07:47,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-23 23:07:47,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220215137] [2024-11-23 23:07:47,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:47,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:07:47,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:47,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:07:47,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:07:47,596 INFO L87 Difference]: Start difference. First operand 101 states and 132 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:47,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:47,630 INFO L93 Difference]: Finished difference Result 132 states and 168 transitions. [2024-11-23 23:07:47,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:07:47,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 29 [2024-11-23 23:07:47,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:47,631 INFO L225 Difference]: With dead ends: 132 [2024-11-23 23:07:47,631 INFO L226 Difference]: Without dead ends: 80 [2024-11-23 23:07:47,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 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 23:07:47,632 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 6 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 254 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 23:07:47,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 254 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:47,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-23 23:07:47,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 72. [2024-11-23 23:07:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 60 states have (on average 1.4) internal successors, (84), 66 states have internal predecessors, (84), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:07:47,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2024-11-23 23:07:47,646 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 29 [2024-11-23 23:07:47,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:47,646 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2024-11-23 23:07:47,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:47,646 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2024-11-23 23:07:47,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-23 23:07:47,647 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:47,647 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:47,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:47,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:07:47,848 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 23:07:47,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:47,848 INFO L85 PathProgramCache]: Analyzing trace with hash -802974968, now seen corresponding path program 1 times [2024-11-23 23:07:47,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:47,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215184506] [2024-11-23 23:07:47,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:47,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 23:07:47,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:47,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215184506] [2024-11-23 23:07:47,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215184506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:47,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:47,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:07:47,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48763784] [2024-11-23 23:07:47,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:47,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:07:47,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:47,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:07:47,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:07:47,926 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:47,959 INFO L93 Difference]: Finished difference Result 95 states and 117 transitions. [2024-11-23 23:07:47,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:07:47,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 30 [2024-11-23 23:07:47,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:47,962 INFO L225 Difference]: With dead ends: 95 [2024-11-23 23:07:47,962 INFO L226 Difference]: Without dead ends: 76 [2024-11-23 23:07:47,962 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 23:07:47,963 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 259 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 23:07:47,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 259 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:47,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-23 23:07:47,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-23 23:07:47,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 64 states have (on average 1.375) internal successors, (88), 70 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:07:47,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 96 transitions. [2024-11-23 23:07:47,976 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 96 transitions. Word has length 30 [2024-11-23 23:07:47,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:47,976 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 96 transitions. [2024-11-23 23:07:47,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2024-11-23 23:07:47,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-23 23:07:47,978 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:47,978 INFO L218 NwaCegarLoop]: trace histogram [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 23:07:47,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:07:47,978 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 23:07:47,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:47,978 INFO L85 PathProgramCache]: Analyzing trace with hash 518840450, now seen corresponding path program 1 times [2024-11-23 23:07:47,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:47,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435771014] [2024-11-23 23:07:47,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:47,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:48,098 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 23:07:48,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:48,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435771014] [2024-11-23 23:07:48,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435771014] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:07:48,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180241166] [2024-11-23 23:07:48,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:48,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:07:48,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:48,104 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:07:48,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:07:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:48,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:07:48,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:48,246 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 23:07:48,246 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:07:48,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180241166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:48,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:07:48,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-23 23:07:48,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504177394] [2024-11-23 23:07:48,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:48,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:07:48,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:48,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:07:48,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:07:48,248 INFO L87 Difference]: Start difference. First operand 76 states and 96 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:48,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:48,271 INFO L93 Difference]: Finished difference Result 94 states and 116 transitions. [2024-11-23 23:07:48,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:07:48,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 34 [2024-11-23 23:07:48,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:48,274 INFO L225 Difference]: With dead ends: 94 [2024-11-23 23:07:48,275 INFO L226 Difference]: Without dead ends: 71 [2024-11-23 23:07:48,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 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 23:07:48,276 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 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 23:07:48,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:48,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-23 23:07:48,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-23 23:07:48,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 65 states have internal predecessors, (82), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:07:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2024-11-23 23:07:48,288 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 34 [2024-11-23 23:07:48,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:48,288 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2024-11-23 23:07:48,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:48,289 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2024-11-23 23:07:48,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-23 23:07:48,290 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:48,290 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:48,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:07:48,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:07:48,491 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 23:07:48,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:48,494 INFO L85 PathProgramCache]: Analyzing trace with hash 391569674, now seen corresponding path program 1 times [2024-11-23 23:07:48,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:48,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903467808] [2024-11-23 23:07:48,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:48,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:48,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 23:07:48,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:48,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903467808] [2024-11-23 23:07:48,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903467808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:48,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:48,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:07:48,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058858988] [2024-11-23 23:07:48,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:48,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:48,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:48,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:48,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:48,560 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:48,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:48,579 INFO L93 Difference]: Finished difference Result 71 states and 90 transitions. [2024-11-23 23:07:48,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:48,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 36 [2024-11-23 23:07:48,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:48,580 INFO L225 Difference]: With dead ends: 71 [2024-11-23 23:07:48,580 INFO L226 Difference]: Without dead ends: 70 [2024-11-23 23:07:48,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:48,582 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 10 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:48,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 153 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:48,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-23 23:07:48,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-23 23:07:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 64 states have internal predecessors, (81), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:07:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2024-11-23 23:07:48,592 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 36 [2024-11-23 23:07:48,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:48,592 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2024-11-23 23:07:48,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2024-11-23 23:07:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-23 23:07:48,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:48,593 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:48,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:07:48,594 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 23:07:48,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:48,594 INFO L85 PathProgramCache]: Analyzing trace with hash -746241782, now seen corresponding path program 1 times [2024-11-23 23:07:48,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:48,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846080970] [2024-11-23 23:07:48,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:48,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:48,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 23:07:48,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:48,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846080970] [2024-11-23 23:07:48,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846080970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:48,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:48,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:07:48,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205944649] [2024-11-23 23:07:48,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:48,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:48,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:48,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:48,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:48,660 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:48,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:48,678 INFO L93 Difference]: Finished difference Result 84 states and 105 transitions. [2024-11-23 23:07:48,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:48,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 37 [2024-11-23 23:07:48,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:48,683 INFO L225 Difference]: With dead ends: 84 [2024-11-23 23:07:48,684 INFO L226 Difference]: Without dead ends: 69 [2024-11-23 23:07:48,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:48,684 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 7 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:48,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 154 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:48,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-23 23:07:48,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-23 23:07:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 63 states have internal predecessors, (79), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:07:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2024-11-23 23:07:48,694 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 37 [2024-11-23 23:07:48,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:48,696 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2024-11-23 23:07:48,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:07:48,696 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2024-11-23 23:07:48,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-23 23:07:48,697 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:48,697 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:48,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:07:48,698 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 23:07:48,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:48,699 INFO L85 PathProgramCache]: Analyzing trace with hash 860976366, now seen corresponding path program 1 times [2024-11-23 23:07:48,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:48,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951985549] [2024-11-23 23:07:48,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:48,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:48,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 23:07:48,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:48,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951985549] [2024-11-23 23:07:48,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951985549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:48,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:48,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:07:48,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159505384] [2024-11-23 23:07:48,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:48,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:07:48,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:48,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:07:48,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:07:48,829 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 23:07:48,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:48,859 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2024-11-23 23:07:48,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:07:48,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 44 [2024-11-23 23:07:48,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:48,860 INFO L225 Difference]: With dead ends: 80 [2024-11-23 23:07:48,860 INFO L226 Difference]: Without dead ends: 78 [2024-11-23 23:07:48,861 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 23:07:48,861 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 1 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 244 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 23:07:48,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 244 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:48,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-23 23:07:48,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-23 23:07:48,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 71 states have internal predecessors, (87), 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 23:07:48,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 97 transitions. [2024-11-23 23:07:48,868 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 97 transitions. Word has length 44 [2024-11-23 23:07:48,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:48,868 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 97 transitions. [2024-11-23 23:07:48,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 23:07:48,868 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 97 transitions. [2024-11-23 23:07:48,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-23 23:07:48,871 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:48,871 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-23 23:07:48,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:07:48,872 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-23 23:07:48,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:48,874 INFO L85 PathProgramCache]: Analyzing trace with hash 77867648, now seen corresponding path program 1 times [2024-11-23 23:07:48,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:48,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645871015] [2024-11-23 23:07:48,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:48,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:48,998 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 23:07:48,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:48,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645871015] [2024-11-23 23:07:48,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645871015] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:07:48,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889256747] [2024-11-23 23:07:48,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:48,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:07:48,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:49,001 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:07:49,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:07:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:49,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:07:49,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:49,154 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 23:07:49,155 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:07:49,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889256747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:49,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:07:49,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-23 23:07:49,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378005044] [2024-11-23 23:07:49,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:49,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:07:49,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:49,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:07:49,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:07:49,158 INFO L87 Difference]: Start difference. First operand 78 states and 97 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 23:07:49,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:49,180 INFO L93 Difference]: Finished difference Result 82 states and 100 transitions. [2024-11-23 23:07:49,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:07:49,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 56 [2024-11-23 23:07:49,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:49,181 INFO L225 Difference]: With dead ends: 82 [2024-11-23 23:07:49,181 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:07:49,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 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 23:07:49,183 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:49,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 239 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:49,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:07:49,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:07:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:07:49,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:07:49,185 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2024-11-23 23:07:49,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:49,185 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:07:49,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 23:07:49,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:07:49,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:07:49,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-23 23:07:49,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-23 23:07:49,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-23 23:07:49,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-23 23:07:49,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-23 23:07:49,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-23 23:07:49,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-23 23:07:49,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-23 23:07:49,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-23 23:07:49,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-23 23:07:49,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-23 23:07:49,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-23 23:07:49,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:49,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:07:49,394 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:49,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:07:49,498 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:07:49,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:07:49 BoogieIcfgContainer [2024-11-23 23:07:49,518 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:07:49,519 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:07:49,519 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:07:49,519 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:07:49,520 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:45" (3/4) ... [2024-11-23 23:07:49,522 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:07:49,527 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-23 23:07:49,527 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-23 23:07:49,534 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-23 23:07:49,535 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-23 23:07:49,535 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 23:07:49,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:07:49,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:07:49,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:07:49,650 INFO L158 Benchmark]: Toolchain (without parser) took 6629.93ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 40.3MB in the end (delta: 48.8MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2024-11-23 23:07:49,650 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:07:49,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1358.00ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 79.1MB in the end (delta: 9.8MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-23 23:07:49,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.67ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:07:49,651 INFO L158 Benchmark]: Boogie Preprocessor took 55.04ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:07:49,652 INFO L158 Benchmark]: RCFGBuilder took 642.45ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 56.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:07:49,652 INFO L158 Benchmark]: TraceAbstraction took 4364.93ms. Allocated memory is still 117.4MB. Free memory was 55.9MB in the beginning and 46.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-23 23:07:49,652 INFO L158 Benchmark]: Witness Printer took 130.34ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 40.3MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:07:49,657 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1358.00ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 79.1MB in the end (delta: 9.8MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.67ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.04ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 642.45ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 56.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4364.93ms. Allocated memory is still 117.4MB. Free memory was 55.9MB in the beginning and 46.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Witness Printer took 130.34ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 40.3MB in the end (delta: 5.8MB). 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: 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: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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, 83 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 195 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 186 mSDsluCounter, 2938 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1769 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 169 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 1169 mSDtfsCounter, 169 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=5, InterpolantAutomatonStates: 51, 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, 39 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 543 NumberOfCodeBlocks, 543 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 526 ConstructedInterpolants, 0 QuantifiedInterpolants, 780 SizeOfPredicates, 0 NumberOfNonLiveVariables, 504 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 76/80 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: 1557]: Loop Invariant Derived loop invariant: ((k == 0) || (1 <= k)) - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: (((1 <= h) && (((long) data + 2) == 0)) || ((h == 0) && (0 <= ((long) data + 2)))) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (((0 <= ((long) 1073741823 + data)) && (i == 0)) || (0 < i)) - InvariantResult [Line: 1582]: Loop Invariant Derived loop invariant: (((j == 0) && (((long) data + 2) == 0)) || ((1 <= j) && (((long) data + 2) == 0))) RESULT: Ultimate proved your program to be correct! [2024-11-23 23:07:49,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742a5ce5-13f0-45f3-94a7-8e35b376964e/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