./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB --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 10dd9db220e8f975638086d64b1bfc4d3d3aa1479afc97ef62d6deeabc3d6d4f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:56:25,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:56:25,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-28 03:56:25,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:56:25,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:56:25,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:56:25,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:56:25,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:56:25,273 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:56:25,273 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:56:25,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:56:25,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:56:25,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:56:25,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:56:25,274 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:56:25,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:56:25,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:56:25,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:56:25,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:56:25,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:56:25,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:56:25,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:56:25,275 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:56:25,275 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:56:25,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:56:25,275 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:56:25,275 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:56:25,275 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:56:25,275 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:56:25,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:56:25,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:56:25,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:56:25,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:56:25,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:56:25,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:56:25,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:56:25,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:56:25,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:56:25,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:56:25,277 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:56:25,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:56:25,277 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:56:25,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:56:25,277 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:56:25,277 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:56:25,277 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:56:25,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:56:25,278 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_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 10dd9db220e8f975638086d64b1bfc4d3d3aa1479afc97ef62d6deeabc3d6d4f [2024-11-28 03:56:25,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:56:25,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:56:25,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:56:25,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:56:25,607 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:56:25,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_08_good.i [2024-11-28 03:56:28,710 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/data/46be61d1c/be45fbb64a24475b9318d12324b7f25f/FLAG9b7ea7b72 [2024-11-28 03:56:29,160 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:56:29,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_08_good.i [2024-11-28 03:56:29,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/data/46be61d1c/be45fbb64a24475b9318d12324b7f25f/FLAG9b7ea7b72 [2024-11-28 03:56:29,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/data/46be61d1c/be45fbb64a24475b9318d12324b7f25f [2024-11-28 03:56:29,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:56:29,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:56:29,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:56:29,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:56:29,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:56:29,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:56:29" (1/1) ... [2024-11-28 03:56:29,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1346bc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:29, skipping insertion in model container [2024-11-28 03:56:29,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:56:29" (1/1) ... [2024-11-28 03:56:29,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:56:30,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:56:30,247 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:56:30,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:56:30,498 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:56:30,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30 WrapperNode [2024-11-28 03:56:30,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:56:30,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:56:30,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:56:30,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:56:30,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (1/1) ... [2024-11-28 03:56:30,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (1/1) ... [2024-11-28 03:56:30,561 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2024-11-28 03:56:30,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:56:30,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:56:30,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:56:30,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:56:30,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (1/1) ... [2024-11-28 03:56:30,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (1/1) ... [2024-11-28 03:56:30,574 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (1/1) ... [2024-11-28 03:56:30,597 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 03:56:30,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (1/1) ... [2024-11-28 03:56:30,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (1/1) ... [2024-11-28 03:56:30,610 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (1/1) ... [2024-11-28 03:56:30,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (1/1) ... [2024-11-28 03:56:30,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (1/1) ... [2024-11-28 03:56:30,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (1/1) ... [2024-11-28 03:56:30,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (1/1) ... [2024-11-28 03:56:30,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:56:30,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:56:30,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:56:30,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:56:30,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (1/1) ... [2024-11-28 03:56:30,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:56:30,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:30,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:56:30,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:56:30,677 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-28 03:56:30,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-28 03:56:30,677 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-28 03:56:30,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-28 03:56:30,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:56:30,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:56:30,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:56:30,677 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-28 03:56:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-28 03:56:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-11-28 03:56:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-11-28 03:56:30,830 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:56:30,833 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:56:31,124 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-28 03:56:31,126 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:56:31,140 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:56:31,140 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:56:31,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:56:31 BoogieIcfgContainer [2024-11-28 03:56:31,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:56:31,146 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:56:31,146 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:56:31,154 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:56:31,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:56:29" (1/3) ... [2024-11-28 03:56:31,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d847561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:56:31, skipping insertion in model container [2024-11-28 03:56:31,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:30" (2/3) ... [2024-11-28 03:56:31,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d847561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:56:31, skipping insertion in model container [2024-11-28 03:56:31,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:56:31" (3/3) ... [2024-11-28 03:56:31,156 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_08_good.i [2024-11-28 03:56:31,178 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:56:31,180 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_predec_08_good.i that has 5 procedures, 81 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-28 03:56:31,252 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:56:31,268 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;@7dd0bbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:56:31,268 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 03:56:31,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 50 states have (on average 1.38) internal successors, (69), 62 states have internal predecessors, (69), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:56:31,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-28 03:56:31,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:31,279 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:31,280 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:56:31,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:31,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1192752490, now seen corresponding path program 1 times [2024-11-28 03:56:31,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:31,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197462389] [2024-11-28 03:56:31,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:31,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:31,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:56:31,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:31,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197462389] [2024-11-28 03:56:31,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197462389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:31,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:31,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:56:31,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862450994] [2024-11-28 03:56:31,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:31,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:31,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:31,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:31,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:56:31,651 INFO L87 Difference]: Start difference. First operand has 81 states, 50 states have (on average 1.38) internal successors, (69), 62 states have internal predecessors, (69), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:56:31,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:31,712 INFO L93 Difference]: Finished difference Result 155 states and 199 transitions. [2024-11-28 03:56:31,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:31,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-28 03:56:31,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:31,723 INFO L225 Difference]: With dead ends: 155 [2024-11-28 03:56:31,724 INFO L226 Difference]: Without dead ends: 78 [2024-11-28 03:56:31,727 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 [2024-11-28 03:56:31,730 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:31,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 209 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:56:31,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-28 03:56:31,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2024-11-28 03:56:31,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 58 states have internal predecessors, (65), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 03:56:31,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 99 transitions. [2024-11-28 03:56:31,770 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 99 transitions. Word has length 22 [2024-11-28 03:56:31,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:31,770 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 99 transitions. [2024-11-28 03:56:31,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:56:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2024-11-28 03:56:31,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-28 03:56:31,772 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:31,772 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:31,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:56:31,773 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:56:31,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:31,773 INFO L85 PathProgramCache]: Analyzing trace with hash -512694120, now seen corresponding path program 1 times [2024-11-28 03:56:31,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:31,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443126729] [2024-11-28 03:56:31,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:31,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:56:31,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:31,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443126729] [2024-11-28 03:56:31,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443126729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:31,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:31,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:56:31,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395401179] [2024-11-28 03:56:31,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:31,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:56:31,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:31,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:56:31,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:31,907 INFO L87 Difference]: Start difference. First operand 76 states and 99 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:56:31,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:31,939 INFO L93 Difference]: Finished difference Result 131 states and 168 transitions. [2024-11-28 03:56:31,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:56:31,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-28 03:56:31,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:31,941 INFO L225 Difference]: With dead ends: 131 [2024-11-28 03:56:31,941 INFO L226 Difference]: Without dead ends: 66 [2024-11-28 03:56:31,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:31,943 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 241 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 [2024-11-28 03:56:31,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:56:31,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-28 03:56:31,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-28 03:56:31,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 49 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:56:31,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2024-11-28 03:56:31,953 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 22 [2024-11-28 03:56:31,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:31,953 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2024-11-28 03:56:31,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:56:31,954 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2024-11-28 03:56:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 03:56:31,955 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:31,955 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-28 03:56:31,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:56:31,955 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:56:31,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:31,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1523660820, now seen corresponding path program 1 times [2024-11-28 03:56:31,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:31,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616766465] [2024-11-28 03:56:31,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:31,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 03:56:32,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:32,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616766465] [2024-11-28 03:56:32,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616766465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:32,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:32,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:56:32,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524545959] [2024-11-28 03:56:32,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:32,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:56:32,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:32,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:56:32,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:32,160 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:56:32,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:32,199 INFO L93 Difference]: Finished difference Result 119 states and 149 transitions. [2024-11-28 03:56:32,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:56:32,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-11-28 03:56:32,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:32,201 INFO L225 Difference]: With dead ends: 119 [2024-11-28 03:56:32,201 INFO L226 Difference]: Without dead ends: 65 [2024-11-28 03:56:32,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:32,202 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 232 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 [2024-11-28 03:56:32,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 232 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:56:32,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-28 03:56:32,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-28 03:56:32,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 48 states have internal predecessors, (53), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 03:56:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2024-11-28 03:56:32,220 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 81 transitions. Word has length 40 [2024-11-28 03:56:32,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:32,222 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 81 transitions. [2024-11-28 03:56:32,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:56:32,223 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2024-11-28 03:56:32,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 03:56:32,224 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:32,225 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:32,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:56:32,225 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:56:32,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:32,226 INFO L85 PathProgramCache]: Analyzing trace with hash 792919792, now seen corresponding path program 1 times [2024-11-28 03:56:32,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:32,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100198359] [2024-11-28 03:56:32,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:32,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 03:56:32,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:32,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100198359] [2024-11-28 03:56:32,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100198359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:32,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:32,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:56:32,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656108284] [2024-11-28 03:56:32,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:32,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:32,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:32,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:32,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:56:32,293 INFO L87 Difference]: Start difference. First operand 65 states and 81 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:56:32,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:32,323 INFO L93 Difference]: Finished difference Result 114 states and 139 transitions. [2024-11-28 03:56:32,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:32,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2024-11-28 03:56:32,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:32,329 INFO L225 Difference]: With dead ends: 114 [2024-11-28 03:56:32,330 INFO L226 Difference]: Without dead ends: 70 [2024-11-28 03:56:32,331 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 [2024-11-28 03:56:32,332 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:32,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 158 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:56:32,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-28 03:56:32,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2024-11-28 03:56:32,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 51 states have internal predecessors, (57), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:56:32,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2024-11-28 03:56:32,351 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 41 [2024-11-28 03:56:32,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:32,351 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2024-11-28 03:56:32,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:56:32,352 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2024-11-28 03:56:32,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 03:56:32,352 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:32,354 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:32,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:56:32,355 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:56:32,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:32,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1472978162, now seen corresponding path program 1 times [2024-11-28 03:56:32,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:32,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033885926] [2024-11-28 03:56:32,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:32,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 03:56:32,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:32,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033885926] [2024-11-28 03:56:32,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033885926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:32,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155461706] [2024-11-28 03:56:32,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:32,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:32,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:32,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:32,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:56:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:32,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:56:32,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 03:56:32,665 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:32,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155461706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:32,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:32,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 03:56:32,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625367224] [2024-11-28 03:56:32,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:32,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:32,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:32,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:32,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:32,670 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:56:32,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:32,709 INFO L93 Difference]: Finished difference Result 109 states and 133 transitions. [2024-11-28 03:56:32,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:32,711 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2024-11-28 03:56:32,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:32,712 INFO L225 Difference]: With dead ends: 109 [2024-11-28 03:56:32,712 INFO L226 Difference]: Without dead ends: 69 [2024-11-28 03:56:32,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:32,713 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 2 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 152 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 [2024-11-28 03:56:32,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 152 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:56:32,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-28 03:56:32,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-11-28 03:56:32,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.25) internal successors, (55), 50 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:56:32,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2024-11-28 03:56:32,732 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 41 [2024-11-28 03:56:32,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:32,732 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2024-11-28 03:56:32,732 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:56:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2024-11-28 03:56:32,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-28 03:56:32,733 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:32,733 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:32,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:56:32,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:32,934 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:56:32,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:32,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1582317138, now seen corresponding path program 1 times [2024-11-28 03:56:32,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:32,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694185007] [2024-11-28 03:56:32,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:32,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:33,014 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 03:56:33,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:33,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694185007] [2024-11-28 03:56:33,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694185007] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:33,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427216552] [2024-11-28 03:56:33,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:33,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:33,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:33,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:33,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:56:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:33,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:56:33,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 03:56:33,176 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:33,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427216552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:33,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:33,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 03:56:33,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839729375] [2024-11-28 03:56:33,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:33,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:33,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:33,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:33,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:33,179 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:56:33,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:33,211 INFO L93 Difference]: Finished difference Result 69 states and 86 transitions. [2024-11-28 03:56:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:33,211 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-11-28 03:56:33,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:33,213 INFO L225 Difference]: With dead ends: 69 [2024-11-28 03:56:33,216 INFO L226 Difference]: Without dead ends: 68 [2024-11-28 03:56:33,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:33,217 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 1 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:33,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 140 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:56:33,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-28 03:56:33,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2024-11-28 03:56:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 49 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:56:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2024-11-28 03:56:33,244 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 42 [2024-11-28 03:56:33,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:33,244 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2024-11-28 03:56:33,244 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:56:33,244 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2024-11-28 03:56:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-28 03:56:33,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:33,248 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-28 03:56:33,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:56:33,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 03:56:33,449 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:56:33,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:33,449 INFO L85 PathProgramCache]: Analyzing trace with hash 2019893220, now seen corresponding path program 1 times [2024-11-28 03:56:33,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:33,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672240884] [2024-11-28 03:56:33,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:33,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:33,530 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-28 03:56:33,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:33,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672240884] [2024-11-28 03:56:33,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672240884] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:33,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892307218] [2024-11-28 03:56:33,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:33,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:33,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:33,533 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:33,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:56:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:33,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:56:33,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-28 03:56:33,679 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:33,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892307218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:33,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:33,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 03:56:33,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009871307] [2024-11-28 03:56:33,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:33,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:33,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:33,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:33,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:33,681 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:56:33,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:33,703 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2024-11-28 03:56:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:33,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2024-11-28 03:56:33,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:33,705 INFO L225 Difference]: With dead ends: 68 [2024-11-28 03:56:33,705 INFO L226 Difference]: Without dead ends: 67 [2024-11-28 03:56:33,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:33,706 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 4 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 139 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 [2024-11-28 03:56:33,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 139 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:56:33,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-28 03:56:33,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2024-11-28 03:56:33,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 48 states have internal predecessors, (53), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:56:33,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2024-11-28 03:56:33,721 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 53 [2024-11-28 03:56:33,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:33,722 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2024-11-28 03:56:33,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:56:33,722 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2024-11-28 03:56:33,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-28 03:56:33,723 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:33,723 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-28 03:56:33,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:33,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 03:56:33,924 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:56:33,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:33,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1807819496, now seen corresponding path program 1 times [2024-11-28 03:56:33,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:33,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850922015] [2024-11-28 03:56:33,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:33,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-28 03:56:34,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:34,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850922015] [2024-11-28 03:56:34,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850922015] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:34,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650632513] [2024-11-28 03:56:34,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:34,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:34,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:34,061 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:34,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:56:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:34,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:56:34,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-28 03:56:34,192 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:34,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650632513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:34,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:34,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 03:56:34,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670743501] [2024-11-28 03:56:34,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:34,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:34,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:34,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:34,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:34,194 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:56:34,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:34,220 INFO L93 Difference]: Finished difference Result 73 states and 92 transitions. [2024-11-28 03:56:34,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:34,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2024-11-28 03:56:34,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:34,222 INFO L225 Difference]: With dead ends: 73 [2024-11-28 03:56:34,222 INFO L226 Difference]: Without dead ends: 72 [2024-11-28 03:56:34,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:34,224 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 148 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 [2024-11-28 03:56:34,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 148 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:56:34,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-28 03:56:34,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2024-11-28 03:56:34,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 51 states have internal predecessors, (58), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:56:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2024-11-28 03:56:34,238 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 54 [2024-11-28 03:56:34,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:34,239 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2024-11-28 03:56:34,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:56:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2024-11-28 03:56:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-28 03:56:34,240 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:34,240 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:34,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:34,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:34,441 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:56:34,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:34,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1707288602, now seen corresponding path program 1 times [2024-11-28 03:56:34,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:34,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13723201] [2024-11-28 03:56:34,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:34,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:34,511 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 03:56:34,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:34,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13723201] [2024-11-28 03:56:34,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13723201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:34,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333440751] [2024-11-28 03:56:34,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:34,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:34,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:34,514 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:34,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:56:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:34,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:56:34,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:34,666 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 03:56:34,666 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:34,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333440751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:34,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:34,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 03:56:34,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501406729] [2024-11-28 03:56:34,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:34,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:34,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:34,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:34,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:34,668 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 03:56:34,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:34,684 INFO L93 Difference]: Finished difference Result 72 states and 91 transitions. [2024-11-28 03:56:34,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:34,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 59 [2024-11-28 03:56:34,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:34,686 INFO L225 Difference]: With dead ends: 72 [2024-11-28 03:56:34,687 INFO L226 Difference]: Without dead ends: 71 [2024-11-28 03:56:34,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:34,688 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 1 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 139 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 [2024-11-28 03:56:34,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 139 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:56:34,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-28 03:56:34,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2024-11-28 03:56:34,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 47 states have internal predecessors, (52), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:56:34,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2024-11-28 03:56:34,700 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 59 [2024-11-28 03:56:34,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:34,701 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2024-11-28 03:56:34,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 03:56:34,701 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2024-11-28 03:56:34,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-28 03:56:34,703 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:34,703 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:34,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:56:34,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:34,905 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:56:34,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:34,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1767587623, now seen corresponding path program 1 times [2024-11-28 03:56:34,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:34,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025715682] [2024-11-28 03:56:34,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:34,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-28 03:56:35,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:35,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025715682] [2024-11-28 03:56:35,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025715682] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:35,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335510152] [2024-11-28 03:56:35,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:35,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:35,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:35,022 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:35,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:56:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:35,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:56:35,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 03:56:35,147 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:35,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335510152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:35,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:35,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 03:56:35,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7901261] [2024-11-28 03:56:35,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:35,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:35,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:35,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:35,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:35,150 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 03:56:35,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:35,160 INFO L93 Difference]: Finished difference Result 65 states and 82 transitions. [2024-11-28 03:56:35,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:35,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 66 [2024-11-28 03:56:35,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:35,161 INFO L225 Difference]: With dead ends: 65 [2024-11-28 03:56:35,161 INFO L226 Difference]: Without dead ends: 64 [2024-11-28 03:56:35,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:35,162 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 3 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:35,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 140 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:56:35,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-28 03:56:35,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-28 03:56:35,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 46 states have internal predecessors, (51), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:56:35,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2024-11-28 03:56:35,169 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 66 [2024-11-28 03:56:35,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:35,170 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2024-11-28 03:56:35,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 03:56:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2024-11-28 03:56:35,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 03:56:35,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:35,171 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:35,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:56:35,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 03:56:35,372 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:56:35,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:35,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1039358388, now seen corresponding path program 1 times [2024-11-28 03:56:35,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:35,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95796857] [2024-11-28 03:56:35,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:35,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-28 03:56:35,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:35,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95796857] [2024-11-28 03:56:35,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95796857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:35,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104837372] [2024-11-28 03:56:35,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:35,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:35,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:35,472 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:35,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:56:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:35,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:56:35,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 03:56:35,614 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:35,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104837372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:35,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:35,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 03:56:35,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72892167] [2024-11-28 03:56:35,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:35,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:35,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:35,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:35,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:35,616 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 03:56:35,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:35,632 INFO L93 Difference]: Finished difference Result 70 states and 87 transitions. [2024-11-28 03:56:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:35,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2024-11-28 03:56:35,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:35,634 INFO L225 Difference]: With dead ends: 70 [2024-11-28 03:56:35,635 INFO L226 Difference]: Without dead ends: 64 [2024-11-28 03:56:35,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:35,636 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:35,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:56:35,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-28 03:56:35,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-28 03:56:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 46 states have internal predecessors, (50), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:56:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2024-11-28 03:56:35,647 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 80 transitions. Word has length 67 [2024-11-28 03:56:35,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:35,649 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 80 transitions. [2024-11-28 03:56:35,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 03:56:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2024-11-28 03:56:35,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 03:56:35,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:35,650 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:35,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:56:35,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 03:56:35,851 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:56:35,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:35,851 INFO L85 PathProgramCache]: Analyzing trace with hash -359300018, now seen corresponding path program 1 times [2024-11-28 03:56:35,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:35,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970154692] [2024-11-28 03:56:35,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:35,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:35,951 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-28 03:56:35,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:35,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970154692] [2024-11-28 03:56:35,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970154692] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:35,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811066451] [2024-11-28 03:56:35,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:35,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:35,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:35,955 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:35,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:56:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:36,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:56:36,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 03:56:36,088 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:36,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811066451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:36,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:36,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 03:56:36,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878990913] [2024-11-28 03:56:36,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:36,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:36,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:36,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:36,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:36,091 INFO L87 Difference]: Start difference. First operand 64 states and 80 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 03:56:36,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:36,099 INFO L93 Difference]: Finished difference Result 64 states and 80 transitions. [2024-11-28 03:56:36,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:36,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2024-11-28 03:56:36,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:36,100 INFO L225 Difference]: With dead ends: 64 [2024-11-28 03:56:36,100 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:56:36,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:36,101 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:36,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:56:36,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:56:36,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:56:36,103 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) [2024-11-28 03:56:36,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:56:36,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2024-11-28 03:56:36,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:36,103 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:56:36,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 03:56:36,104 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:56:36,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:56:36,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-28 03:56:36,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-28 03:56:36,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-28 03:56:36,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-28 03:56:36,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-28 03:56:36,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-28 03:56:36,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-28 03:56:36,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-28 03:56:36,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 03:56:36,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 03:56:36,313 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:36,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:56:36,410 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:56:36,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:56:36 BoogieIcfgContainer [2024-11-28 03:56:36,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:56:36,423 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:56:36,423 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:56:36,423 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:56:36,424 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:56:31" (3/4) ... [2024-11-28 03:56:36,426 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:56:36,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-28 03:56:36,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-11-28 03:56:36,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-28 03:56:36,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-11-28 03:56:36,438 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-28 03:56:36,438 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 03:56:36,438 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:56:36,439 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:56:36,521 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:56:36,522 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:56:36,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:56:36,523 INFO L158 Benchmark]: Toolchain (without parser) took 7308.03ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 81.4MB in the end (delta: 34.7MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2024-11-28 03:56:36,523 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:56:36,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1283.39ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 105.4MB in the end (delta: 10.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-28 03:56:36,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.37ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 102.3MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:56:36,524 INFO L158 Benchmark]: Boogie Preprocessor took 60.76ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 101.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:56:36,524 INFO L158 Benchmark]: RCFGBuilder took 515.77ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 85.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:56:36,524 INFO L158 Benchmark]: TraceAbstraction took 5276.17ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 86.9MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:56:36,524 INFO L158 Benchmark]: Witness Printer took 98.84ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 81.4MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:56:36,526 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1283.39ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 105.4MB in the end (delta: 10.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.37ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 102.3MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.76ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 101.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 515.77ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 85.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5276.17ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 86.9MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 98.84ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 81.4MB in the end (delta: 5.6MB). 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: 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 5 procedures, 81 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 1984 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1020 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 964 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 487 GetRequests, 457 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 38, 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, 12 MinimizatonAttempts, 13 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1023 NumberOfCodeBlocks, 1023 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1003 ConstructedInterpolants, 0 QuantifiedInterpolants, 1255 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1367 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 528/556 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:56:36,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6d3ef-620c-4a2d-af5b-e9a5e4d043db/bin/uautomizer-verify-aQ6SnzHsRB/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