./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_06_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_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/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_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/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_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/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 7e0468d88486e44d34f8975cc19ea24d9f1cae8cc9eea4a3484ec0050441ae9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:56:25,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:56:26,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-24 00:56:26,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:56:26,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:56:26,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:56:26,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:56:26,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:56:26,066 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:56:26,067 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:56:26,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:56:26,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:56:26,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:56:26,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:56:26,068 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:56:26,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:56:26,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:56:26,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:56:26,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:56:26,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:56:26,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:56:26,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:56:26,071 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 00:56:26,071 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:56:26,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:56:26,071 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:56:26,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:56:26,071 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:56:26,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:56:26,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:56:26,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:56:26,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:56:26,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:56:26,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:56:26,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:56:26,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:56:26,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:56:26,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:56:26,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:56:26,072 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:56:26,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:56:26,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:56:26,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:56:26,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:56:26,073 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:56:26,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:56:26,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:56:26,073 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_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/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 -> 7e0468d88486e44d34f8975cc19ea24d9f1cae8cc9eea4a3484ec0050441ae9f [2024-11-24 00:56:26,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:56:26,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:56:26,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:56:26,463 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:56:26,464 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:56:26,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_06_good.i [2024-11-24 00:56:29,656 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/bin/uautomizer-verify-LYvppIcaGC/data/dcbfec52e/387cdcf3a71c4553b53302d3c9f96497/FLAG631559335 [2024-11-24 00:56:30,173 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:56:30,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_06_good.i [2024-11-24 00:56:30,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/bin/uautomizer-verify-LYvppIcaGC/data/dcbfec52e/387cdcf3a71c4553b53302d3c9f96497/FLAG631559335 [2024-11-24 00:56:30,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/bin/uautomizer-verify-LYvppIcaGC/data/dcbfec52e/387cdcf3a71c4553b53302d3c9f96497 [2024-11-24 00:56:30,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:56:30,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:56:30,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:56:30,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:56:30,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:56:30,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:56:30" (1/1) ... [2024-11-24 00:56:30,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa00dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:30, skipping insertion in model container [2024-11-24 00:56:30,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:56:30" (1/1) ... [2024-11-24 00:56:30,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:56:31,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:56:31,698 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:56:31,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:56:31,996 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:56:31,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31 WrapperNode [2024-11-24 00:56:31,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:56:31,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:56:31,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:56:31,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:56:32,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (1/1) ... [2024-11-24 00:56:32,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (1/1) ... [2024-11-24 00:56:32,089 INFO L138 Inliner]: procedures = 501, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 86 [2024-11-24 00:56:32,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:56:32,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:56:32,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:56:32,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:56:32,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (1/1) ... [2024-11-24 00:56:32,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (1/1) ... [2024-11-24 00:56:32,113 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (1/1) ... [2024-11-24 00:56:32,138 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-24 00:56:32,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (1/1) ... [2024-11-24 00:56:32,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (1/1) ... [2024-11-24 00:56:32,151 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (1/1) ... [2024-11-24 00:56:32,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (1/1) ... [2024-11-24 00:56:32,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (1/1) ... [2024-11-24 00:56:32,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (1/1) ... [2024-11-24 00:56:32,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (1/1) ... [2024-11-24 00:56:32,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:56:32,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:56:32,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:56:32,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:56:32,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (1/1) ... [2024-11-24 00:56:32,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:56:32,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:56:32,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:56:32,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:56:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-24 00:56:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-24 00:56:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 00:56:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 00:56:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:56:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:56:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:56:32,471 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:56:32,473 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:56:32,710 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-24 00:56:32,710 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:56:32,724 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:56:32,724 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 00:56:32,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:56:32 BoogieIcfgContainer [2024-11-24 00:56:32,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:56:32,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:56:32,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:56:32,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:56:32,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:56:30" (1/3) ... [2024-11-24 00:56:32,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b77732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:56:32, skipping insertion in model container [2024-11-24 00:56:32,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:31" (2/3) ... [2024-11-24 00:56:32,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b77732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:56:32, skipping insertion in model container [2024-11-24 00:56:32,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:56:32" (3/3) ... [2024-11-24 00:56:32,737 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_06_good.i [2024-11-24 00:56:32,757 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:56:32,759 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_sub_06_good.i that has 3 procedures, 59 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-24 00:56:32,830 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:56:32,850 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;@75153ac7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:56:32,850 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-24 00:56:32,855 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) [2024-11-24 00:56:32,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 00:56:32,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:32,865 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:32,866 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)] === [2024-11-24 00:56:32,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:32,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2010894524, now seen corresponding path program 1 times [2024-11-24 00:56:32,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:32,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49749769] [2024-11-24 00:56:32,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:32,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:33,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:56:33,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:33,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49749769] [2024-11-24 00:56:33,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49749769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:33,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:33,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:56:33,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104481939] [2024-11-24 00:56:33,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:33,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:56:33,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:33,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:56:33,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:56:33,249 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, 2 states have (on average 5.0) 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) [2024-11-24 00:56:33,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:33,325 INFO L93 Difference]: Finished difference Result 108 states and 141 transitions. [2024-11-24 00:56:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:56:33,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) 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 [2024-11-24 00:56:33,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:33,337 INFO L225 Difference]: With dead ends: 108 [2024-11-24 00:56:33,338 INFO L226 Difference]: Without dead ends: 53 [2024-11-24 00:56:33,342 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 [2024-11-24 00:56:33,346 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 4 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:33,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 145 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:33,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-24 00:56:33,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2024-11-24 00:56:33,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 34 states have (on average 1.5) internal successors, (51), 44 states have internal predecessors, (51), 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) [2024-11-24 00:56:33,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 67 transitions. [2024-11-24 00:56:33,394 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 67 transitions. Word has length 12 [2024-11-24 00:56:33,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:33,395 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 67 transitions. [2024-11-24 00:56:33,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) 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) [2024-11-24 00:56:33,396 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2024-11-24 00:56:33,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 00:56:33,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:33,397 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:33,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:56:33,398 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:56:33,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:33,400 INFO L85 PathProgramCache]: Analyzing trace with hash -2086779133, now seen corresponding path program 1 times [2024-11-24 00:56:33,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:33,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136801066] [2024-11-24 00:56:33,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:33,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:33,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:56:33,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:33,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136801066] [2024-11-24 00:56:33,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136801066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:33,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:33,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:56:33,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000755461] [2024-11-24 00:56:33,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:33,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:56:33,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:33,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:56:33,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:56:33,605 INFO L87 Difference]: Start difference. First operand 51 states and 67 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:56:33,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:33,631 INFO L93 Difference]: Finished difference Result 52 states and 68 transitions. [2024-11-24 00:56:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:56:33,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-24 00:56:33,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:33,633 INFO L225 Difference]: With dead ends: 52 [2024-11-24 00:56:33,633 INFO L226 Difference]: Without dead ends: 51 [2024-11-24 00:56:33,634 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 [2024-11-24 00:56:33,635 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 2 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:33,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 112 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:33,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-24 00:56:33,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2024-11-24 00:56:33,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 43 states have internal predecessors, (50), 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) [2024-11-24 00:56:33,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2024-11-24 00:56:33,644 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 66 transitions. Word has length 13 [2024-11-24 00:56:33,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:33,644 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 66 transitions. [2024-11-24 00:56:33,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:56:33,645 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2024-11-24 00:56:33,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 00:56:33,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:33,646 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:33,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:56:33,646 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)] === [2024-11-24 00:56:33,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:33,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1299152580, now seen corresponding path program 1 times [2024-11-24 00:56:33,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:33,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54728008] [2024-11-24 00:56:33,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:33,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:56:33,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:33,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54728008] [2024-11-24 00:56:33,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54728008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:33,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:33,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:56:33,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65179830] [2024-11-24 00:56:33,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:33,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:56:33,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:33,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:56:33,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:56:33,783 INFO L87 Difference]: Start difference. First operand 50 states and 66 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) [2024-11-24 00:56:33,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:33,827 INFO L93 Difference]: Finished difference Result 88 states and 112 transitions. [2024-11-24 00:56:33,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:56:33,828 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 [2024-11-24 00:56:33,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:33,829 INFO L225 Difference]: With dead ends: 88 [2024-11-24 00:56:33,829 INFO L226 Difference]: Without dead ends: 46 [2024-11-24 00:56:33,830 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 [2024-11-24 00:56:33,831 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 47 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:33,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 44 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:33,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-24 00:56:33,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-24 00:56:33,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.25) internal successors, (40), 39 states have internal predecessors, (40), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-24 00:56:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2024-11-24 00:56:33,840 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 20 [2024-11-24 00:56:33,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:33,841 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2024-11-24 00:56:33,841 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) [2024-11-24 00:56:33,841 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2024-11-24 00:56:33,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 00:56:33,842 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:33,842 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:33,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:56:33,842 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)] === [2024-11-24 00:56:33,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:33,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1309135630, now seen corresponding path program 1 times [2024-11-24 00:56:33,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:33,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236115688] [2024-11-24 00:56:33,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:33,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:56:33,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:33,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236115688] [2024-11-24 00:56:33,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236115688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:33,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:33,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:56:33,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41622468] [2024-11-24 00:56:33,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:33,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:56:33,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:33,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:56:33,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:56:33,949 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand has 3 states, 2 states have (on average 7.0) 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) [2024-11-24 00:56:33,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:33,989 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2024-11-24 00:56:33,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:56:33,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) 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 [2024-11-24 00:56:33,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:33,991 INFO L225 Difference]: With dead ends: 46 [2024-11-24 00:56:33,991 INFO L226 Difference]: Without dead ends: 45 [2024-11-24 00:56:33,992 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 [2024-11-24 00:56:33,992 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:33,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 91 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:33,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-24 00:56:34,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-24 00:56:34,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.21875) internal successors, (39), 38 states have internal predecessors, (39), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-24 00:56:34,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2024-11-24 00:56:34,002 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 21 [2024-11-24 00:56:34,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:34,002 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2024-11-24 00:56:34,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) 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) [2024-11-24 00:56:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2024-11-24 00:56:34,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 00:56:34,003 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:34,004 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:34,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:56:34,004 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:56:34,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:34,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1928498952, now seen corresponding path program 1 times [2024-11-24 00:56:34,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:34,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043211781] [2024-11-24 00:56:34,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:34,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:56:34,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:34,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043211781] [2024-11-24 00:56:34,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043211781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:34,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:34,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:56:34,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298057604] [2024-11-24 00:56:34,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:34,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:56:34,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:34,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:56:34,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:56:34,096 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-24 00:56:34,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:34,119 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2024-11-24 00:56:34,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:56:34,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 22 [2024-11-24 00:56:34,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:34,121 INFO L225 Difference]: With dead ends: 45 [2024-11-24 00:56:34,121 INFO L226 Difference]: Without dead ends: 44 [2024-11-24 00:56:34,121 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 [2024-11-24 00:56:34,122 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:34,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:34,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-24 00:56:34,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-24 00:56:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.1875) internal successors, (38), 37 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-24 00:56:34,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2024-11-24 00:56:34,131 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 22 [2024-11-24 00:56:34,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:34,133 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2024-11-24 00:56:34,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-24 00:56:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-11-24 00:56:34,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 00:56:34,134 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:34,135 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] [2024-11-24 00:56:34,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:56:34,135 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:56:34,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:34,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1193549525, now seen corresponding path program 1 times [2024-11-24 00:56:34,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:34,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680298011] [2024-11-24 00:56:34,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:34,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 00:56:34,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:34,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680298011] [2024-11-24 00:56:34,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680298011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:34,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:34,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:56:34,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38434955] [2024-11-24 00:56:34,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:34,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:56:34,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:34,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:56:34,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:56:34,246 INFO L87 Difference]: Start difference. First operand 44 states and 50 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) [2024-11-24 00:56:34,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:34,277 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2024-11-24 00:56:34,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:56:34,278 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 [2024-11-24 00:56:34,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:34,279 INFO L225 Difference]: With dead ends: 44 [2024-11-24 00:56:34,279 INFO L226 Difference]: Without dead ends: 43 [2024-11-24 00:56:34,279 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 [2024-11-24 00:56:34,280 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 88 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 [2024-11-24 00:56:34,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 88 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:34,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-24 00:56:34,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-24 00:56:34,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.15625) internal successors, (37), 36 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-24 00:56:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2024-11-24 00:56:34,289 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 29 [2024-11-24 00:56:34,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:34,289 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2024-11-24 00:56:34,289 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) [2024-11-24 00:56:34,290 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2024-11-24 00:56:34,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-24 00:56:34,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:34,291 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] [2024-11-24 00:56:34,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:56:34,291 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:56:34,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:34,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1654670499, now seen corresponding path program 1 times [2024-11-24 00:56:34,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:34,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955779200] [2024-11-24 00:56:34,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:34,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 00:56:34,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:34,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955779200] [2024-11-24 00:56:34,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955779200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:34,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:34,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:56:34,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879388830] [2024-11-24 00:56:34,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:34,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:56:34,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:34,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:56:34,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:56:34,362 INFO L87 Difference]: Start difference. First operand 43 states and 49 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) [2024-11-24 00:56:34,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:34,381 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2024-11-24 00:56:34,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:56:34,382 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 [2024-11-24 00:56:34,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:34,383 INFO L225 Difference]: With dead ends: 43 [2024-11-24 00:56:34,383 INFO L226 Difference]: Without dead ends: 42 [2024-11-24 00:56:34,383 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 [2024-11-24 00:56:34,384 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 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 [2024-11-24 00:56:34,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:34,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-24 00:56:34,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-24 00:56:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-24 00:56:34,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2024-11-24 00:56:34,392 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 30 [2024-11-24 00:56:34,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:34,393 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2024-11-24 00:56:34,393 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) [2024-11-24 00:56:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2024-11-24 00:56:34,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 00:56:34,395 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:34,395 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] [2024-11-24 00:56:34,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:56:34,395 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:56:34,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:34,396 INFO L85 PathProgramCache]: Analyzing trace with hash 447056466, now seen corresponding path program 1 times [2024-11-24 00:56:34,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:34,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179959478] [2024-11-24 00:56:34,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:34,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:34,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 00:56:34,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:34,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179959478] [2024-11-24 00:56:34,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179959478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:34,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:34,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:56:34,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092330279] [2024-11-24 00:56:34,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:34,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:56:34,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:34,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:56:34,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:56:34,508 INFO L87 Difference]: Start difference. First operand 42 states and 48 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) [2024-11-24 00:56:34,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:34,525 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2024-11-24 00:56:34,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:56:34,527 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 [2024-11-24 00:56:34,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:34,528 INFO L225 Difference]: With dead ends: 42 [2024-11-24 00:56:34,530 INFO L226 Difference]: Without dead ends: 41 [2024-11-24 00:56:34,531 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 [2024-11-24 00:56:34,532 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 1 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 87 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 [2024-11-24 00:56:34,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 87 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:34,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-24 00:56:34,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-24 00:56:34,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 32 states have (on average 1.09375) internal successors, (35), 34 states have internal predecessors, (35), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-24 00:56:34,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2024-11-24 00:56:34,549 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 39 [2024-11-24 00:56:34,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:34,549 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2024-11-24 00:56:34,549 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) [2024-11-24 00:56:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2024-11-24 00:56:34,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 00:56:34,551 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:34,551 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] [2024-11-24 00:56:34,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:56:34,551 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:56:34,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:34,554 INFO L85 PathProgramCache]: Analyzing trace with hash 973848687, now seen corresponding path program 1 times [2024-11-24 00:56:34,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:34,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131721190] [2024-11-24 00:56:34,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:34,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 00:56:34,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:34,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131721190] [2024-11-24 00:56:34,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131721190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:34,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:34,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:56:34,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821853550] [2024-11-24 00:56:34,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:34,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:56:34,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:34,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:56:34,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:56:34,651 INFO L87 Difference]: Start difference. First operand 41 states and 47 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) [2024-11-24 00:56:34,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:34,665 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2024-11-24 00:56:34,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:56:34,666 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 [2024-11-24 00:56:34,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:34,666 INFO L225 Difference]: With dead ends: 41 [2024-11-24 00:56:34,666 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:56:34,667 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 [2024-11-24 00:56:34,667 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 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 [2024-11-24 00:56:34,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:34,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:56:34,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:56:34,669 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) [2024-11-24 00:56:34,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:56:34,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2024-11-24 00:56:34,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:34,673 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:56:34,674 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) [2024-11-24 00:56:34,674 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:56:34,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:56:34,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-24 00:56:34,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-24 00:56:34,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-24 00:56:34,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-24 00:56:34,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-24 00:56:34,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-24 00:56:34,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-24 00:56:34,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-24 00:56:34,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:56:34,689 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:34,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:56:34,747 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:56:34,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:56:34 BoogieIcfgContainer [2024-11-24 00:56:34,758 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:56:34,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:56:34,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:56:34,760 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:56:34,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:56:32" (3/4) ... [2024-11-24 00:56:34,764 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:56:34,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-24 00:56:34,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-24 00:56:34,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-24 00:56:34,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-24 00:56:34,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 00:56:34,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:56:34,895 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:56:34,895 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:56:34,895 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:56:34,896 INFO L158 Benchmark]: Toolchain (without parser) took 4654.57ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 63.3MB in the end (delta: 25.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-24 00:56:34,897 INFO L158 Benchmark]: CDTParser took 1.93ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:56:34,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1753.03ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 82.1MB in the end (delta: 7.0MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-24 00:56:34,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.54ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:56:34,899 INFO L158 Benchmark]: Boogie Preprocessor took 78.13ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:56:34,899 INFO L158 Benchmark]: RCFGBuilder took 552.24ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 64.0MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:56:34,900 INFO L158 Benchmark]: TraceAbstraction took 2031.31ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 68.6MB in the end (delta: -4.8MB). Peak memory consumption was 458.6kB. Max. memory is 16.1GB. [2024-11-24 00:56:34,901 INFO L158 Benchmark]: Witness Printer took 135.16ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 63.3MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:56:34,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.93ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1753.03ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 82.1MB in the end (delta: 7.0MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.54ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.13ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 552.24ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 64.0MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2031.31ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 68.6MB in the end (delta: -4.8MB). Peak memory consumption was 458.6kB. Max. memory is 16.1GB. * Witness Printer took 135.16ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 63.3MB in the end (delta: 5.2MB). There was no memory consumed. 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: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1626]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1626]: 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: 1.9s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 830 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 373 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 457 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 9 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 291 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 60/60 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! [2024-11-24 00:56:34,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec99b74-d6cc-4cc5-b7fc-dc24aade7ca9/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