./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 82c2ddca5cbfbec3871aedf928dec5486fd0010def3b13800507ada700667219 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:09:18,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:09:18,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 23:09:18,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:09:18,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:09:18,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:09:18,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:09:18,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:09:18,757 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:09:18,757 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:09:18,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:09:18,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:09:18,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:09:18,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:09:18,758 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:09:18,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:09:18,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:09:18,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:09:18,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:09:18,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:09:18,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:09:18,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:09:18,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 23:09:18,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:09:18,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:09:18,759 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:09:18,759 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:09:18,759 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:09:18,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:09:18,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:09:18,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:09:18,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:09:18,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:09:18,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:09:18,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:09:18,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:09:18,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:09:18,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:09:18,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:09:18,761 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:09:18,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:09:18,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:09:18,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:09:18,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:09:18,761 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:09:18,761 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:09:18,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:09:18,761 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_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82c2ddca5cbfbec3871aedf928dec5486fd0010def3b13800507ada700667219 [2024-11-23 23:09:19,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:09:19,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:09:19,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:09:19,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:09:19,055 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:09:19,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_05_good.i [2024-11-23 23:09:22,161 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/data/fa54d4946/9421c16f94a74398b129eb6eef10c0ab/FLAGb2541d3f1 [2024-11-23 23:09:22,668 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:09:22,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_05_good.i [2024-11-23 23:09:22,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/data/fa54d4946/9421c16f94a74398b129eb6eef10c0ab/FLAGb2541d3f1 [2024-11-23 23:09:22,725 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/data/fa54d4946/9421c16f94a74398b129eb6eef10c0ab [2024-11-23 23:09:22,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:09:22,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:09:22,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:09:22,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:09:22,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:09:22,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:09:22" (1/1) ... [2024-11-23 23:09:22,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70dcbfa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:22, skipping insertion in model container [2024-11-23 23:09:22,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:09:22" (1/1) ... [2024-11-23 23:09:22,819 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:09:24,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:09:24,044 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:09:24,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:09:24,279 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:09:24,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24 WrapperNode [2024-11-23 23:09:24,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:09:24,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:09:24,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:09:24,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:09:24,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (1/1) ... [2024-11-23 23:09:24,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (1/1) ... [2024-11-23 23:09:24,358 INFO L138 Inliner]: procedures = 501, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 91 [2024-11-23 23:09:24,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:09:24,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:09:24,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:09:24,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:09:24,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (1/1) ... [2024-11-23 23:09:24,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (1/1) ... [2024-11-23 23:09:24,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (1/1) ... [2024-11-23 23:09:24,381 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 23:09:24,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (1/1) ... [2024-11-23 23:09:24,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (1/1) ... [2024-11-23 23:09:24,388 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (1/1) ... [2024-11-23 23:09:24,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (1/1) ... [2024-11-23 23:09:24,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (1/1) ... [2024-11-23 23:09:24,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (1/1) ... [2024-11-23 23:09:24,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (1/1) ... [2024-11-23 23:09:24,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:09:24,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:09:24,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:09:24,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:09:24,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (1/1) ... [2024-11-23 23:09:24,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:09:24,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:09:24,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:09:24,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:09:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-23 23:09:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-23 23:09:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 23:09:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 23:09:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:09:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:09:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:09:24,641 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:09:24,643 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:09:24,890 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-23 23:09:24,891 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:09:24,913 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:09:24,913 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:09:24,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:09:24 BoogieIcfgContainer [2024-11-23 23:09:24,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:09:24,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:09:24,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:09:24,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:09:24,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:09:22" (1/3) ... [2024-11-23 23:09:24,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799b5b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:09:24, skipping insertion in model container [2024-11-23 23:09:24,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:09:24" (2/3) ... [2024-11-23 23:09:24,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799b5b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:09:24, skipping insertion in model container [2024-11-23 23:09:24,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:09:24" (3/3) ... [2024-11-23 23:09:24,925 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_05_good.i [2024-11-23 23:09:24,939 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:09:24,940 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_predec_05_good.i that has 3 procedures, 59 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-23 23:09:24,995 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:09:25,008 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;@3557754e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:09:25,008 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-23 23:09:25,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.5) internal successors, (57), 50 states have internal predecessors, (57), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-23 23:09:25,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-23 23:09:25,020 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:09:25,020 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:09:25,021 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:09:25,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:09:25,026 INFO L85 PathProgramCache]: Analyzing trace with hash 2010894524, now seen corresponding path program 1 times [2024-11-23 23:09:25,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:09:25,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705802362] [2024-11-23 23:09:25,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:25,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:09:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:25,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:09:25,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:09:25,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705802362] [2024-11-23 23:09:25,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705802362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:09:25,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:09:25,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:09:25,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462342685] [2024-11-23 23:09:25,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:09:25,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:09:25,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:09:25,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:09:25,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:25,417 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.5) internal successors, (57), 50 states have internal predecessors, (57), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:09:25,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:09:25,487 INFO L93 Difference]: Finished difference Result 113 states and 146 transitions. [2024-11-23 23:09:25,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:09:25,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2024-11-23 23:09:25,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:09:25,498 INFO L225 Difference]: With dead ends: 113 [2024-11-23 23:09:25,498 INFO L226 Difference]: Without dead ends: 54 [2024-11-23 23:09:25,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:25,509 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 1 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:09:25,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 146 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:09:25,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-23 23:09:25,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2024-11-23 23:09:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.5294117647058822) internal successors, (52), 45 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 23:09:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 68 transitions. [2024-11-23 23:09:25,564 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 68 transitions. Word has length 12 [2024-11-23 23:09:25,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:09:25,564 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 68 transitions. [2024-11-23 23:09:25,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:09:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2024-11-23 23:09:25,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-23 23:09:25,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:09:25,569 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:09:25,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:09:25,570 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:09:25,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:09:25,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2010954106, now seen corresponding path program 1 times [2024-11-23 23:09:25,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:09:25,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377996971] [2024-11-23 23:09:25,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:25,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:09:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:09:25,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:09:25,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377996971] [2024-11-23 23:09:25,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377996971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:09:25,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:09:25,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:09:25,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955853618] [2024-11-23 23:09:25,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:09:25,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:09:25,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:09:25,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:09:25,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:25,701 INFO L87 Difference]: Start difference. First operand 52 states and 68 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:09:25,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:09:25,745 INFO L93 Difference]: Finished difference Result 89 states and 115 transitions. [2024-11-23 23:09:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:09:25,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2024-11-23 23:09:25,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:09:25,747 INFO L225 Difference]: With dead ends: 89 [2024-11-23 23:09:25,747 INFO L226 Difference]: Without dead ends: 44 [2024-11-23 23:09:25,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:25,748 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:09:25,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 46 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:09:25,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-23 23:09:25,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-23 23:09:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 37 states have internal predecessors, (38), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-23 23:09:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2024-11-23 23:09:25,766 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 12 [2024-11-23 23:09:25,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:09:25,767 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2024-11-23 23:09:25,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:09:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2024-11-23 23:09:25,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-23 23:09:25,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:09:25,768 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:09:25,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:09:25,768 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:09:25,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:09:25,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1299152580, now seen corresponding path program 1 times [2024-11-23 23:09:25,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:09:25,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580600540] [2024-11-23 23:09:25,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:25,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:09:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:09:25,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:09:25,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580600540] [2024-11-23 23:09:25,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580600540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:09:25,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:09:25,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:09:25,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907120956] [2024-11-23 23:09:25,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:09:25,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:09:25,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:09:25,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:09:25,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:25,844 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 23:09:25,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:09:25,856 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2024-11-23 23:09:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:09:25,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 20 [2024-11-23 23:09:25,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:09:25,857 INFO L225 Difference]: With dead ends: 78 [2024-11-23 23:09:25,857 INFO L226 Difference]: Without dead ends: 42 [2024-11-23 23:09:25,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:25,858 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:09:25,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 44 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:09:25,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-23 23:09:25,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-23 23:09:25,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 35 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 23:09:25,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2024-11-23 23:09:25,866 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 20 [2024-11-23 23:09:25,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:09:25,866 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2024-11-23 23:09:25,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 23:09:25,866 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2024-11-23 23:09:25,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-23 23:09:25,867 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:09:25,867 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:09:25,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:09:25,867 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:09:25,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:09:25,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1309135630, now seen corresponding path program 1 times [2024-11-23 23:09:25,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:09:25,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403580692] [2024-11-23 23:09:25,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:25,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:09:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:25,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:09:25,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:09:25,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403580692] [2024-11-23 23:09:25,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403580692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:09:25,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:09:25,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:09:25,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264224156] [2024-11-23 23:09:25,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:09:25,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:09:25,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:09:25,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:09:25,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:25,987 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:09:26,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:09:26,004 INFO L93 Difference]: Finished difference Result 61 states and 64 transitions. [2024-11-23 23:09:26,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:09:26,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 21 [2024-11-23 23:09:26,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:09:26,008 INFO L225 Difference]: With dead ends: 61 [2024-11-23 23:09:26,008 INFO L226 Difference]: Without dead ends: 36 [2024-11-23 23:09:26,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:26,010 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:09:26,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:09:26,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-23 23:09:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-23 23:09:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 29 states have internal predecessors, (30), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:09:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2024-11-23 23:09:26,025 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 21 [2024-11-23 23:09:26,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:09:26,025 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2024-11-23 23:09:26,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:09:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2024-11-23 23:09:26,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-23 23:09:26,030 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:09:26,030 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:09:26,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:09:26,030 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:09:26,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:09:26,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1193549525, now seen corresponding path program 1 times [2024-11-23 23:09:26,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:09:26,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079138570] [2024-11-23 23:09:26,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:26,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:09:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:26,133 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 23:09:26,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:09:26,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079138570] [2024-11-23 23:09:26,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079138570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:09:26,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:09:26,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:09:26,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551030710] [2024-11-23 23:09:26,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:09:26,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:09:26,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:09:26,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:09:26,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:26,135 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 23:09:26,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:09:26,151 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2024-11-23 23:09:26,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:09:26,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-23 23:09:26,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:09:26,152 INFO L225 Difference]: With dead ends: 36 [2024-11-23 23:09:26,152 INFO L226 Difference]: Without dead ends: 35 [2024-11-23 23:09:26,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:26,153 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:09:26,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 64 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:09:26,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-23 23:09:26,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-23 23:09:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 28 states have internal predecessors, (29), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:09:26,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2024-11-23 23:09:26,159 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 29 [2024-11-23 23:09:26,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:09:26,159 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2024-11-23 23:09:26,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 23:09:26,159 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2024-11-23 23:09:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-23 23:09:26,160 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:09:26,160 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:09:26,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:09:26,160 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:09:26,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:09:26,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1654670499, now seen corresponding path program 1 times [2024-11-23 23:09:26,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:09:26,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260240231] [2024-11-23 23:09:26,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:26,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:09:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 23:09:26,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:09:26,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260240231] [2024-11-23 23:09:26,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260240231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:09:26,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:09:26,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:09:26,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564193529] [2024-11-23 23:09:26,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:09:26,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:09:26,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:09:26,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:09:26,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:26,263 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 23:09:26,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:09:26,289 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2024-11-23 23:09:26,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:09:26,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2024-11-23 23:09:26,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:09:26,291 INFO L225 Difference]: With dead ends: 35 [2024-11-23 23:09:26,291 INFO L226 Difference]: Without dead ends: 34 [2024-11-23 23:09:26,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:26,292 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:09:26,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:09:26,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-23 23:09:26,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-23 23:09:26,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 27 states have internal predecessors, (28), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:09:26,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2024-11-23 23:09:26,307 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 30 [2024-11-23 23:09:26,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:09:26,307 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2024-11-23 23:09:26,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 23:09:26,308 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2024-11-23 23:09:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-23 23:09:26,308 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:09:26,309 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:09:26,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:09:26,310 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:09:26,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:09:26,311 INFO L85 PathProgramCache]: Analyzing trace with hash 447056466, now seen corresponding path program 1 times [2024-11-23 23:09:26,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:09:26,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349829861] [2024-11-23 23:09:26,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:26,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:09:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:26,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 23:09:26,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:09:26,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349829861] [2024-11-23 23:09:26,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349829861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:09:26,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:09:26,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:09:26,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436086202] [2024-11-23 23:09:26,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:09:26,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:09:26,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:09:26,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:09:26,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:26,429 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:09:26,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:09:26,442 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2024-11-23 23:09:26,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:09:26,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2024-11-23 23:09:26,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:09:26,444 INFO L225 Difference]: With dead ends: 34 [2024-11-23 23:09:26,447 INFO L226 Difference]: Without dead ends: 33 [2024-11-23 23:09:26,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:26,448 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:09:26,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:09:26,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-23 23:09:26,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-23 23:09:26,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:09:26,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2024-11-23 23:09:26,457 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 39 [2024-11-23 23:09:26,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:09:26,461 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2024-11-23 23:09:26,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:09:26,461 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2024-11-23 23:09:26,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-23 23:09:26,462 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:09:26,462 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:09:26,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:09:26,462 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-23 23:09:26,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:09:26,463 INFO L85 PathProgramCache]: Analyzing trace with hash 973848687, now seen corresponding path program 1 times [2024-11-23 23:09:26,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:09:26,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333214282] [2024-11-23 23:09:26,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:26,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:09:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 23:09:26,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:09:26,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333214282] [2024-11-23 23:09:26,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333214282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:09:26,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:09:26,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:09:26,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375994266] [2024-11-23 23:09:26,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:09:26,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:09:26,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:09:26,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:09:26,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:26,543 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:09:26,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:09:26,550 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2024-11-23 23:09:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:09:26,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2024-11-23 23:09:26,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:09:26,551 INFO L225 Difference]: With dead ends: 33 [2024-11-23 23:09:26,551 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:09:26,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:09:26,552 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:09:26,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:09:26,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:09:26,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:09:26,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:09:26,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:09:26,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2024-11-23 23:09:26,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:09:26,556 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:09:26,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:09:26,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:09:26,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:09:26,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-23 23:09:26,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-23 23:09:26,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-23 23:09:26,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-23 23:09:26,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-23 23:09:26,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-23 23:09:26,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-23 23:09:26,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-23 23:09:26,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:09:26,565 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:09:26,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:09:26,662 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:09:26,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:09:26 BoogieIcfgContainer [2024-11-23 23:09:26,674 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:09:26,676 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:09:26,676 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:09:26,676 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:09:26,677 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:09:24" (3/4) ... [2024-11-23 23:09:26,680 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:09:26,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-23 23:09:26,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-23 23:09:26,691 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-23 23:09:26,691 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-23 23:09:26,691 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 23:09:26,691 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:09:26,773 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:09:26,774 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:09:26,780 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:09:26,781 INFO L158 Benchmark]: Toolchain (without parser) took 4051.12ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 60.1MB in the end (delta: 37.7MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-11-23 23:09:26,781 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:09:26,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1548.65ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 38.1MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-23 23:09:26,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.78ms. Allocated memory is still 142.6MB. Free memory was 38.1MB in the beginning and 35.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:09:26,782 INFO L158 Benchmark]: Boogie Preprocessor took 40.89ms. Allocated memory is still 142.6MB. Free memory was 35.4MB in the beginning and 34.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:09:26,782 INFO L158 Benchmark]: RCFGBuilder took 514.31ms. Allocated memory is still 142.6MB. Free memory was 34.0MB in the beginning and 88.5MB in the end (delta: -54.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-23 23:09:26,783 INFO L158 Benchmark]: TraceAbstraction took 1757.36ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 65.0MB in the end (delta: 22.8MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-11-23 23:09:26,783 INFO L158 Benchmark]: Witness Printer took 104.00ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 60.1MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:09:26,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1548.65ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 38.1MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.78ms. Allocated memory is still 142.6MB. Free memory was 38.1MB in the beginning and 35.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.89ms. Allocated memory is still 142.6MB. Free memory was 35.4MB in the beginning and 34.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.31ms. Allocated memory is still 142.6MB. Free memory was 34.0MB in the beginning and 88.5MB in the end (delta: -54.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1757.36ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 65.0MB in the end (delta: 22.8MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Witness Printer took 104.00ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 60.1MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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, 59 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 560 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 221 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 339 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 269 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 56/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 23:09:26,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f72ef92f-43b0-42da-9adb-0bcb5461892b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE