./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_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_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/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_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/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_e472942f-be3c-457f-897c-0ea79a7178f6/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 51707db04644edd77b44cc564e90c9ff9cb351f5b6bf4302fb00346df50078da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:09:14,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:09:14,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-28 05:09:14,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:09:14,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:09:14,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:09:14,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:09:14,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:09:14,876 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:09:14,876 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:09:14,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:09:14,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:09:14,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:09:14,880 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:09:14,880 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:09:14,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:09:14,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:09:14,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:09:14,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:09:14,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:09:14,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:09:14,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:09:14,881 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 05:09:14,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:09:14,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:09:14,881 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:09:14,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:09:14,881 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:09:14,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:09:14,881 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:09:14,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:09:14,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:09:14,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:09:14,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:09:14,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:09:14,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:09:14,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:09:14,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:09:14,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:09:14,884 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:09:14,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:09:14,884 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:09:14,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:09:14,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:09:14,885 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:09:14,885 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:09:14,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:09:14,886 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_e472942f-be3c-457f-897c-0ea79a7178f6/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 -> 51707db04644edd77b44cc564e90c9ff9cb351f5b6bf4302fb00346df50078da [2024-11-28 05:09:15,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:09:15,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:09:15,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:09:15,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:09:15,272 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:09:15,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_good.i [2024-11-28 05:09:18,468 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/data/d942ca7eb/46b337d57a8e40a4a10896aeab936cfa/FLAGe1bc4c049 [2024-11-28 05:09:19,118 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:09:19,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_good.i [2024-11-28 05:09:19,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/data/d942ca7eb/46b337d57a8e40a4a10896aeab936cfa/FLAGe1bc4c049 [2024-11-28 05:09:19,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/data/d942ca7eb/46b337d57a8e40a4a10896aeab936cfa [2024-11-28 05:09:19,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:09:19,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:09:19,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:09:19,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:09:19,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:09:19,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2f352e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:19, skipping insertion in model container [2024-11-28 05:09:19,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:09:19" (1/1) ... [2024-11-28 05:09:19,252 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:09:20,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:09:20,125 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:09:20,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:09:20,363 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:09:20,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20 WrapperNode [2024-11-28 05:09:20,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:09:20,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:09:20,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:09:20,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:09:20,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (1/1) ... [2024-11-28 05:09:20,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (1/1) ... [2024-11-28 05:09:20,419 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 86 [2024-11-28 05:09:20,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:09:20,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:09:20,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:09:20,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:09:20,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (1/1) ... [2024-11-28 05:09:20,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (1/1) ... [2024-11-28 05:09:20,434 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (1/1) ... [2024-11-28 05:09:20,443 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 05:09:20,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (1/1) ... [2024-11-28 05:09:20,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (1/1) ... [2024-11-28 05:09:20,452 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (1/1) ... [2024-11-28 05:09:20,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (1/1) ... [2024-11-28 05:09:20,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (1/1) ... [2024-11-28 05:09:20,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (1/1) ... [2024-11-28 05:09:20,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (1/1) ... [2024-11-28 05:09:20,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:09:20,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:09:20,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:09:20,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:09:20,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (1/1) ... [2024-11-28 05:09:20,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:09:20,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:20,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:09:20,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:09:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-28 05:09:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-28 05:09:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-28 05:09:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-28 05:09:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:09:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:09:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:09:20,737 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:09:20,739 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:09:20,977 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-28 05:09:20,977 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:09:20,991 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:09:20,991 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 05:09:20,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:09:20 BoogieIcfgContainer [2024-11-28 05:09:20,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:09:20,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:09:20,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:09:21,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:09:21,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:09:19" (1/3) ... [2024-11-28 05:09:21,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f5501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:09:21, skipping insertion in model container [2024-11-28 05:09:21,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:09:20" (2/3) ... [2024-11-28 05:09:21,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f5501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:09:21, skipping insertion in model container [2024-11-28 05:09:21,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:09:20" (3/3) ... [2024-11-28 05:09:21,006 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_17_good.i [2024-11-28 05:09:21,028 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:09:21,030 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_multiply_17_good.i that has 3 procedures, 61 locations, 1 initial locations, 4 loop locations, and 12 error locations. [2024-11-28 05:09:21,106 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:09:21,122 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;@7b41dd38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:09:21,122 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-28 05:09:21,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 54 states have internal predecessors, (65), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 05:09:21,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 05:09:21,134 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:21,135 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:21,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-28 05:09:21,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:21,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1662450875, now seen corresponding path program 1 times [2024-11-28 05:09:21,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:21,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249394650] [2024-11-28 05:09:21,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:21,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:21,500 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 05:09:21,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:21,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249394650] [2024-11-28 05:09:21,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249394650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:21,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:09:21,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:09:21,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135299729] [2024-11-28 05:09:21,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:21,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:09:21,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:21,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:09:21,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:09:21,532 INFO L87 Difference]: Start difference. First operand has 61 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 54 states have internal predecessors, (65), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:09:21,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:21,626 INFO L93 Difference]: Finished difference Result 118 states and 145 transitions. [2024-11-28 05:09:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:09:21,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-28 05:09:21,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:21,636 INFO L225 Difference]: With dead ends: 118 [2024-11-28 05:09:21,637 INFO L226 Difference]: Without dead ends: 58 [2024-11-28 05:09:21,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:09:21,649 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 1 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:21,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 194 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:09:21,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-28 05:09:21,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-28 05:09:21,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 40 states have (on average 1.475) internal successors, (59), 52 states have internal predecessors, (59), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:09:21,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2024-11-28 05:09:21,700 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 11 [2024-11-28 05:09:21,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:21,702 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2024-11-28 05:09:21,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:09:21,703 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2024-11-28 05:09:21,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 05:09:21,704 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:21,704 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:21,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:09:21,705 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-28 05:09:21,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:21,706 INFO L85 PathProgramCache]: Analyzing trace with hash -778090699, now seen corresponding path program 1 times [2024-11-28 05:09:21,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:21,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893712419] [2024-11-28 05:09:21,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:21,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:09:21,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:21,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893712419] [2024-11-28 05:09:21,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893712419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:21,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96612812] [2024-11-28 05:09:21,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:21,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:21,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:21,921 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:21,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:09:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:22,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:09:22,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:09:22,134 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:09:22,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96612812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:22,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:22,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-28 05:09:22,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88354133] [2024-11-28 05:09:22,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:22,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:09:22,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:22,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:09:22,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:09:22,141 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:09:22,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:22,208 INFO L93 Difference]: Finished difference Result 103 states and 120 transitions. [2024-11-28 05:09:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:09:22,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-28 05:09:22,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:22,210 INFO L225 Difference]: With dead ends: 103 [2024-11-28 05:09:22,210 INFO L226 Difference]: Without dead ends: 53 [2024-11-28 05:09:22,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:09:22,213 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:22,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 218 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:09:22,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-28 05:09:22,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-28 05:09:22,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 47 states have internal predecessors, (53), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:09:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2024-11-28 05:09:22,227 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 15 [2024-11-28 05:09:22,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:22,229 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2024-11-28 05:09:22,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:09:22,229 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2024-11-28 05:09:22,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-28 05:09:22,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:22,230 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:22,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:09:22,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:22,431 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-28 05:09:22,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:22,432 INFO L85 PathProgramCache]: Analyzing trace with hash -96424992, now seen corresponding path program 1 times [2024-11-28 05:09:22,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:22,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461063547] [2024-11-28 05:09:22,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:22,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:22,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:09:22,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:22,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461063547] [2024-11-28 05:09:22,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461063547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:22,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:09:22,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:09:22,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267964783] [2024-11-28 05:09:22,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:22,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:09:22,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:22,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:09:22,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:09:22,543 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:09:22,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:22,563 INFO L93 Difference]: Finished difference Result 90 states and 104 transitions. [2024-11-28 05:09:22,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:09:22,564 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-28 05:09:22,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:22,569 INFO L225 Difference]: With dead ends: 90 [2024-11-28 05:09:22,569 INFO L226 Difference]: Without dead ends: 47 [2024-11-28 05:09:22,570 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 05:09:22,571 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 8 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 85 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 05:09:22,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 85 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:09:22,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-28 05:09:22,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-28 05:09:22,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 41 states have internal predecessors, (46), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:09:22,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2024-11-28 05:09:22,581 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 18 [2024-11-28 05:09:22,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:22,582 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2024-11-28 05:09:22,582 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:09:22,582 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-11-28 05:09:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-28 05:09:22,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:22,613 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:22,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:09:22,613 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-28 05:09:22,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:22,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1307951557, now seen corresponding path program 1 times [2024-11-28 05:09:22,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:22,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636566906] [2024-11-28 05:09:22,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:22,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:22,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 05:09:22,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:22,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636566906] [2024-11-28 05:09:22,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636566906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:22,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:09:22,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:09:22,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146945936] [2024-11-28 05:09:22,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:22,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:09:22,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:22,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:09:22,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:09:22,724 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:09:22,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:22,771 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2024-11-28 05:09:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:09:22,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-28 05:09:22,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:22,773 INFO L225 Difference]: With dead ends: 76 [2024-11-28 05:09:22,777 INFO L226 Difference]: Without dead ends: 52 [2024-11-28 05:09:22,778 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 05:09:22,779 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 3 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:22,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 95 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:09:22,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-28 05:09:22,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2024-11-28 05:09:22,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 42 states have internal predecessors, (47), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:09:22,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2024-11-28 05:09:22,795 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 19 [2024-11-28 05:09:22,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:22,796 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2024-11-28 05:09:22,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:09:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2024-11-28 05:09:22,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-28 05:09:22,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:22,798 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:22,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:09:22,799 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-28 05:09:22,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:22,800 INFO L85 PathProgramCache]: Analyzing trace with hash 376413273, now seen corresponding path program 1 times [2024-11-28 05:09:22,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:22,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127106083] [2024-11-28 05:09:22,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:22,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:22,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-28 05:09:22,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:22,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127106083] [2024-11-28 05:09:22,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127106083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:22,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:09:22,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:09:22,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334808520] [2024-11-28 05:09:22,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:22,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:09:22,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:22,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:09:22,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:09:22,962 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:09:23,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:23,007 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2024-11-28 05:09:23,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:09:23,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2024-11-28 05:09:23,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:23,009 INFO L225 Difference]: With dead ends: 56 [2024-11-28 05:09:23,009 INFO L226 Difference]: Without dead ends: 54 [2024-11-28 05:09:23,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:09:23,010 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:23,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 136 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:09:23,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-28 05:09:23,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-28 05:09:23,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.3) internal successors, (52), 47 states have internal predecessors, (52), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:09:23,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2024-11-28 05:09:23,025 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 24 [2024-11-28 05:09:23,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:23,025 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2024-11-28 05:09:23,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:09:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2024-11-28 05:09:23,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-28 05:09:23,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:23,027 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:23,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:09:23,027 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-28 05:09:23,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:23,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1652908440, now seen corresponding path program 1 times [2024-11-28 05:09:23,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:23,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171753911] [2024-11-28 05:09:23,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:23,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:23,178 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:09:23,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:23,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171753911] [2024-11-28 05:09:23,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171753911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:23,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:09:23,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:09:23,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149988379] [2024-11-28 05:09:23,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:23,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:09:23,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:23,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:09:23,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:09:23,183 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:09:23,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:23,249 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions. [2024-11-28 05:09:23,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:09:23,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-28 05:09:23,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:23,252 INFO L225 Difference]: With dead ends: 77 [2024-11-28 05:09:23,254 INFO L226 Difference]: Without dead ends: 58 [2024-11-28 05:09:23,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:09:23,255 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:23,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 139 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:09:23,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-28 05:09:23,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-28 05:09:23,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 51 states have internal predecessors, (56), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:09:23,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2024-11-28 05:09:23,272 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 30 [2024-11-28 05:09:23,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:23,273 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2024-11-28 05:09:23,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:09:23,273 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2024-11-28 05:09:23,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-28 05:09:23,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:23,275 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:23,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:09:23,276 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-28 05:09:23,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:23,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1505373590, now seen corresponding path program 1 times [2024-11-28 05:09:23,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:23,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238118723] [2024-11-28 05:09:23,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:23,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 05:09:23,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:23,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238118723] [2024-11-28 05:09:23,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238118723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:23,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143330287] [2024-11-28 05:09:23,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:23,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:23,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:23,434 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:23,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:09:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:23,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:09:23,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:23,586 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-28 05:09:23,586 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:09:23,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143330287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:23,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:23,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-28 05:09:23,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017354910] [2024-11-28 05:09:23,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:23,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:09:23,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:23,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:09:23,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:09:23,589 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:09:23,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:23,624 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions. [2024-11-28 05:09:23,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:09:23,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 35 [2024-11-28 05:09:23,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:23,626 INFO L225 Difference]: With dead ends: 91 [2024-11-28 05:09:23,626 INFO L226 Difference]: Without dead ends: 50 [2024-11-28 05:09:23,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:09:23,628 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:23,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:09:23,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-28 05:09:23,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-28 05:09:23,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 44 states have internal predecessors, (48), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:09:23,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2024-11-28 05:09:23,636 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 35 [2024-11-28 05:09:23,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:23,637 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-11-28 05:09:23,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:09:23,637 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2024-11-28 05:09:23,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 05:09:23,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:23,638 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:23,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 05:09:23,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:23,839 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-28 05:09:23,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:23,840 INFO L85 PathProgramCache]: Analyzing trace with hash 149561378, now seen corresponding path program 1 times [2024-11-28 05:09:23,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:23,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410916180] [2024-11-28 05:09:23,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:23,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:09:23,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:23,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410916180] [2024-11-28 05:09:23,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410916180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:23,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542554284] [2024-11-28 05:09:23,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:23,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:23,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:24,002 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:24,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:09:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:24,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:09:24,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:24,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:09:24,173 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:09:24,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542554284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:24,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:24,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-28 05:09:24,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724300770] [2024-11-28 05:09:24,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:24,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:09:24,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:24,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:09:24,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:09:24,177 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:09:24,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:24,215 INFO L93 Difference]: Finished difference Result 68 states and 74 transitions. [2024-11-28 05:09:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:09:24,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-11-28 05:09:24,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:24,221 INFO L225 Difference]: With dead ends: 68 [2024-11-28 05:09:24,221 INFO L226 Difference]: Without dead ends: 45 [2024-11-28 05:09:24,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:09:24,222 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:24,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:09:24,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-28 05:09:24,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-28 05:09:24,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 39 states have internal predecessors, (42), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:09:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2024-11-28 05:09:24,239 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 34 [2024-11-28 05:09:24,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:24,239 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2024-11-28 05:09:24,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:09:24,239 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2024-11-28 05:09:24,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-28 05:09:24,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:24,241 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:24,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 05:09:24,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:24,442 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-28 05:09:24,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:24,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1996664522, now seen corresponding path program 1 times [2024-11-28 05:09:24,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:24,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550740753] [2024-11-28 05:09:24,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:24,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:09:24,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:24,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550740753] [2024-11-28 05:09:24,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550740753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:24,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:09:24,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:09:24,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586596244] [2024-11-28 05:09:24,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:24,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:09:24,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:24,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:09:24,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:09:24,521 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:09:24,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:24,541 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2024-11-28 05:09:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:09:24,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2024-11-28 05:09:24,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:24,543 INFO L225 Difference]: With dead ends: 45 [2024-11-28 05:09:24,543 INFO L226 Difference]: Without dead ends: 44 [2024-11-28 05:09:24,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:09:24,544 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 10 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 69 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 05:09:24,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 69 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:09:24,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-28 05:09:24,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-28 05:09:24,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 38 states have internal predecessors, (41), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:09:24,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2024-11-28 05:09:24,557 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 36 [2024-11-28 05:09:24,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:24,558 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2024-11-28 05:09:24,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:09:24,558 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2024-11-28 05:09:24,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-28 05:09:24,559 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:24,559 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:24,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:09:24,560 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-28 05:09:24,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:24,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1767058171, now seen corresponding path program 1 times [2024-11-28 05:09:24,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:24,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837441948] [2024-11-28 05:09:24,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:24,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:24,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:09:24,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:24,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837441948] [2024-11-28 05:09:24,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837441948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:24,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:09:24,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:09:24,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383917306] [2024-11-28 05:09:24,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:24,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:09:24,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:24,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:09:24,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:09:24,637 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:09:24,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:24,660 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2024-11-28 05:09:24,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:09:24,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2024-11-28 05:09:24,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:24,662 INFO L225 Difference]: With dead ends: 58 [2024-11-28 05:09:24,662 INFO L226 Difference]: Without dead ends: 43 [2024-11-28 05:09:24,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:09:24,663 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 7 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 70 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 05:09:24,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 70 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:09:24,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-28 05:09:24,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-28 05:09:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 37 states have internal predecessors, (39), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:09:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2024-11-28 05:09:24,676 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 37 [2024-11-28 05:09:24,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:24,677 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2024-11-28 05:09:24,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:09:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2024-11-28 05:09:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 05:09:24,681 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:24,681 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:24,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 05:09:24,682 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-28 05:09:24,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:24,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1451574542, now seen corresponding path program 1 times [2024-11-28 05:09:24,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:24,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158913740] [2024-11-28 05:09:24,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:24,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-28 05:09:24,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:24,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158913740] [2024-11-28 05:09:24,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158913740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:24,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:09:24,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:09:24,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212454547] [2024-11-28 05:09:24,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:24,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:09:24,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:24,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:09:24,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:09:24,799 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 05:09:24,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:24,828 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2024-11-28 05:09:24,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:09:24,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 44 [2024-11-28 05:09:24,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:24,832 INFO L225 Difference]: With dead ends: 54 [2024-11-28 05:09:24,832 INFO L226 Difference]: Without dead ends: 52 [2024-11-28 05:09:24,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:09:24,833 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 1 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:24,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 118 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:09:24,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-28 05:09:24,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-28 05:09:24,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 44 states have (on average 1.0681818181818181) internal successors, (47), 45 states have internal predecessors, (47), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:09:24,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2024-11-28 05:09:24,845 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 44 [2024-11-28 05:09:24,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:24,845 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2024-11-28 05:09:24,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 05:09:24,846 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2024-11-28 05:09:24,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-28 05:09:24,848 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:24,848 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:24,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:09:24,849 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-28 05:09:24,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:24,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1629827392, now seen corresponding path program 1 times [2024-11-28 05:09:24,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:24,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38233572] [2024-11-28 05:09:24,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:24,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:25,012 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 05:09:25,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:25,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38233572] [2024-11-28 05:09:25,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38233572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:25,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789932596] [2024-11-28 05:09:25,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:25,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:25,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:25,017 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:25,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:09:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:25,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:09:25,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-28 05:09:25,189 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:09:25,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789932596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:25,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:25,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-28 05:09:25,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615412067] [2024-11-28 05:09:25,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:25,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:09:25,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:25,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:09:25,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:09:25,193 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 05:09:25,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:25,222 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2024-11-28 05:09:25,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:09:25,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2024-11-28 05:09:25,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:25,224 INFO L225 Difference]: With dead ends: 56 [2024-11-28 05:09:25,224 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:09:25,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:09:25,225 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:25,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:09:25,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:09:25,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:09:25,226 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 05:09:25,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:09:25,228 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2024-11-28 05:09:25,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:25,228 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:09:25,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 05:09:25,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:09:25,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:09:25,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-28 05:09:25,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-28 05:09:25,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-28 05:09:25,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-28 05:09:25,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-28 05:09:25,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-28 05:09:25,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-28 05:09:25,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-28 05:09:25,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-28 05:09:25,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-28 05:09:25,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-28 05:09:25,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-28 05:09:25,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 05:09:25,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 05:09:25,442 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:25,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 05:09:25,552 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:09:25,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:09:25 BoogieIcfgContainer [2024-11-28 05:09:25,573 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:09:25,574 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:09:25,574 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:09:25,574 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:09:25,575 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:09:20" (3/4) ... [2024-11-28 05:09:25,578 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:09:25,585 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-28 05:09:25,585 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-28 05:09:25,594 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 05:09:25,594 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 05:09:25,595 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 05:09:25,716 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:09:25,716 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:09:25,716 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:09:25,718 INFO L158 Benchmark]: Toolchain (without parser) took 6538.87ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 102.0MB in the beginning and 148.8MB in the end (delta: -46.8MB). Peak memory consumption was 147.9MB. Max. memory is 16.1GB. [2024-11-28 05:09:25,718 INFO L158 Benchmark]: CDTParser took 2.10ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:09:25,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1184.51ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 43.2MB in the end (delta: 58.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-28 05:09:25,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.70ms. Allocated memory is still 142.6MB. Free memory was 43.2MB in the beginning and 40.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:09:25,720 INFO L158 Benchmark]: Boogie Preprocessor took 47.46ms. Allocated memory is still 142.6MB. Free memory was 40.4MB in the beginning and 38.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:09:25,721 INFO L158 Benchmark]: RCFGBuilder took 523.07ms. Allocated memory is still 142.6MB. Free memory was 38.9MB in the beginning and 94.1MB in the end (delta: -55.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-28 05:09:25,721 INFO L158 Benchmark]: TraceAbstraction took 4579.92ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 93.1MB in the beginning and 154.4MB in the end (delta: -61.3MB). Peak memory consumption was 126.0MB. Max. memory is 16.1GB. [2024-11-28 05:09:25,721 INFO L158 Benchmark]: Witness Printer took 142.64ms. Allocated memory is still 335.5MB. Free memory was 154.4MB in the beginning and 148.8MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:09:25,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.10ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1184.51ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 43.2MB in the end (delta: 58.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.70ms. Allocated memory is still 142.6MB. Free memory was 43.2MB in the beginning and 40.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.46ms. Allocated memory is still 142.6MB. Free memory was 40.4MB in the beginning and 38.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 523.07ms. Allocated memory is still 142.6MB. Free memory was 38.9MB in the beginning and 94.1MB in the end (delta: -55.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4579.92ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 93.1MB in the beginning and 154.4MB in the end (delta: -61.3MB). Peak memory consumption was 126.0MB. Max. memory is 16.1GB. * Witness Printer took 142.64ms. Allocated memory is still 335.5MB. Free memory was 154.4MB in the beginning and 148.8MB 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 61 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 1493 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 922 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 156 IncrementalHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 571 mSDtfsCounter, 156 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 48, 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 499 NumberOfCodeBlocks, 499 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 483 ConstructedInterpolants, 0 QuantifiedInterpolants, 721 SizeOfPredicates, 0 NumberOfNonLiveVariables, 460 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 128/132 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: (((k == 0) && ((data + 2147483648) <= 0)) || ((1 <= k) && ((data + 2147483648) <= 0))) - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: (((1 <= h) && (((long) data + 2) == 0)) || ((h == 0) && (0 <= ((long) data + 2)))) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (((1 <= i) && ((data + 2147483648) <= 0)) || (i == 0)) - InvariantResult [Line: 1582]: Loop Invariant Derived loop invariant: (((j == 0) && (((long) data + 2) == 0)) || ((1 <= j) && (((long) data + 2) == 0))) RESULT: Ultimate proved your program to be correct! [2024-11-28 05:09:25,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e472942f-be3c-457f-897c-0ea79a7178f6/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