./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 66690b8f2afac00b38604fc5fd1edb6c2524e6892200d6512ef98cf0032d8df1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:51:34,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:51:34,519 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-17 15:51:34,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:51:34,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:51:34,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:51:34,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:51:34,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:51:34,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:51:34,539 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:51:34,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:51:34,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:51:34,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:51:34,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:51:34,539 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:51:34,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:51:34,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:51:34,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:51:34,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:51:34,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:51:34,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:51:34,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:51:34,540 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:51:34,540 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:51:34,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:51:34,540 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:51:34,540 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:51:34,541 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:51:34,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:51:34,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:51:34,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:51:34,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:51:34,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:51:34,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:51:34,541 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:51:34,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:51:34,541 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:51:34,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:51:34,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:51:34,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:51:34,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:51:34,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:51:34,542 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 66690b8f2afac00b38604fc5fd1edb6c2524e6892200d6512ef98cf0032d8df1 [2025-03-17 15:51:34,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:51:34,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:51:34,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:51:34,803 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:51:34,803 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:51:34,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2025-03-17 15:51:35,928 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34def12ec/df2797e2a96c4fb0b1af61291be96a06/FLAG7d2c7efbc [2025-03-17 15:51:36,345 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:51:36,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2025-03-17 15:51:36,376 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34def12ec/df2797e2a96c4fb0b1af61291be96a06/FLAG7d2c7efbc [2025-03-17 15:51:36,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34def12ec/df2797e2a96c4fb0b1af61291be96a06 [2025-03-17 15:51:36,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:51:36,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:51:36,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:51:36,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:51:36,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:51:36,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:51:36" (1/1) ... [2025-03-17 15:51:36,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318bf24e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:36, skipping insertion in model container [2025-03-17 15:51:36,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:51:36" (1/1) ... [2025-03-17 15:51:36,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:51:36,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:51:36,974 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:51:37,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4823-4824] [2025-03-17 15:51:37,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4826-4827] [2025-03-17 15:51:37,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4830-4831] [2025-03-17 15:51:37,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4833-4834] [2025-03-17 15:51:37,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4837-4838] [2025-03-17 15:51:37,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:51:37,113 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:51:37,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37 WrapperNode [2025-03-17 15:51:37,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:51:37,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:51:37,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:51:37,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:51:37,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37" (1/1) ... [2025-03-17 15:51:37,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37" (1/1) ... [2025-03-17 15:51:37,174 INFO L138 Inliner]: procedures = 49, calls = 67, calls flagged for inlining = 23, calls inlined = 16, statements flattened = 190 [2025-03-17 15:51:37,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:51:37,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:51:37,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:51:37,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:51:37,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37" (1/1) ... [2025-03-17 15:51:37,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37" (1/1) ... [2025-03-17 15:51:37,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37" (1/1) ... [2025-03-17 15:51:37,206 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 3, 9, 3]. 53 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 0, 4, 3]. The 0 writes are split as follows [0, 0, 0, 0]. [2025-03-17 15:51:37,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37" (1/1) ... [2025-03-17 15:51:37,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37" (1/1) ... [2025-03-17 15:51:37,217 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37" (1/1) ... [2025-03-17 15:51:37,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37" (1/1) ... [2025-03-17 15:51:37,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37" (1/1) ... [2025-03-17 15:51:37,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37" (1/1) ... [2025-03-17 15:51:37,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:51:37,223 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:51:37,223 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:51:37,223 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:51:37,227 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37" (1/1) ... [2025-03-17 15:51:37,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:51:37,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:37,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 15:51:37,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 15:51:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:51:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 15:51:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 15:51:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 15:51:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 15:51:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2025-03-17 15:51:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2025-03-17 15:51:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2025-03-17 15:51:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2025-03-17 15:51:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 15:51:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 15:51:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 15:51:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 15:51:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:51:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 15:51:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 15:51:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 15:51:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:51:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:51:37,401 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:51:37,402 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:51:37,537 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5119: havoc sock_register_#t~nondet58#1; [2025-03-17 15:51:37,538 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5099: havoc ldv_undefined_int_#t~nondet56#1; [2025-03-17 15:51:37,538 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5092: havoc __request_module_#t~nondet55#1; [2025-03-17 15:51:37,538 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4960: assume false; [2025-03-17 15:51:37,538 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4960: assume !false; [2025-03-17 15:51:37,568 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2025-03-17 15:51:37,572 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:51:37,580 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:51:37,581 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:51:37,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:51:37 BoogieIcfgContainer [2025-03-17 15:51:37,582 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:51:37,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:51:37,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:51:37,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:51:37,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:51:36" (1/3) ... [2025-03-17 15:51:37,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2905bdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:51:37, skipping insertion in model container [2025-03-17 15:51:37,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:37" (2/3) ... [2025-03-17 15:51:37,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2905bdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:51:37, skipping insertion in model container [2025-03-17 15:51:37,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:51:37" (3/3) ... [2025-03-17 15:51:37,591 INFO L128 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox.ko.cil.out.i [2025-03-17 15:51:37,603 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:51:37,605 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG module_get_put-drivers-net-pppox.ko.cil.out.i that has 3 procedures, 48 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-17 15:51:37,643 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:51:37,650 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;@4f99b266, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:51:37,650 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-17 15:51:37,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 44 states have internal predecessors, (56), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:51:37,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-17 15:51:37,657 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:37,657 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:37,658 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 15:51:37,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:37,661 INFO L85 PathProgramCache]: Analyzing trace with hash 406539406, now seen corresponding path program 1 times [2025-03-17 15:51:37,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:37,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620548212] [2025-03-17 15:51:37,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:37,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:37,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-17 15:51:37,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-17 15:51:37,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:37,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:37,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:51:37,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:37,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620548212] [2025-03-17 15:51:37,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620548212] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:51:37,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:51:37,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 15:51:37,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492569367] [2025-03-17 15:51:37,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:51:37,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:51:37,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:37,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:51:37,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:51:37,987 INFO L87 Difference]: Start difference. First operand has 48 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 44 states have internal predecessors, (56), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2025-03-17 15:51:38,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:38,031 INFO L93 Difference]: Finished difference Result 122 states and 168 transitions. [2025-03-17 15:51:38,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:51:38,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) Word has length 17 [2025-03-17 15:51:38,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:38,038 INFO L225 Difference]: With dead ends: 122 [2025-03-17 15:51:38,038 INFO L226 Difference]: Without dead ends: 60 [2025-03-17 15:51:38,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:51:38,043 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 30 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:38,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 90 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:51:38,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-03-17 15:51:38,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2025-03-17 15:51:38,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 55 states have internal predecessors, (73), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:51:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2025-03-17 15:51:38,076 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 17 [2025-03-17 15:51:38,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:38,076 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2025-03-17 15:51:38,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2025-03-17 15:51:38,077 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2025-03-17 15:51:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-17 15:51:38,078 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:38,078 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:38,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 15:51:38,079 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_module_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 15:51:38,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:38,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1470073067, now seen corresponding path program 1 times [2025-03-17 15:51:38,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:38,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628465300] [2025-03-17 15:51:38,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:38,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:38,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 15:51:38,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 15:51:38,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:38,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:38,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:51:38,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:38,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628465300] [2025-03-17 15:51:38,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628465300] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:51:38,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:51:38,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:51:38,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513272413] [2025-03-17 15:51:38,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:51:38,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:51:38,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:38,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:51:38,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:51:38,215 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:51:38,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:38,236 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2025-03-17 15:51:38,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:51:38,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2025-03-17 15:51:38,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:38,237 INFO L225 Difference]: With dead ends: 60 [2025-03-17 15:51:38,238 INFO L226 Difference]: Without dead ends: 59 [2025-03-17 15:51:38,238 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 [2025-03-17 15:51:38,239 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 2 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 74 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 [2025-03-17 15:51:38,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 74 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:51:38,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-03-17 15:51:38,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2025-03-17 15:51:38,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 54 states have internal predecessors, (72), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:51:38,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2025-03-17 15:51:38,247 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 25 [2025-03-17 15:51:38,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:38,249 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2025-03-17 15:51:38,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:51:38,249 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2025-03-17 15:51:38,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-17 15:51:38,250 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:38,250 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:38,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 15:51:38,250 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 15:51:38,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:38,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1672375221, now seen corresponding path program 1 times [2025-03-17 15:51:38,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:38,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287566425] [2025-03-17 15:51:38,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:38,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:38,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 15:51:38,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 15:51:38,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:38,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:38,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:51:38,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:38,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287566425] [2025-03-17 15:51:38,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287566425] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:51:38,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:51:38,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:51:38,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113257243] [2025-03-17 15:51:38,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:51:38,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:51:38,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:38,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:51:38,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:51:38,398 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:51:38,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:38,427 INFO L93 Difference]: Finished difference Result 89 states and 116 transitions. [2025-03-17 15:51:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:51:38,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-03-17 15:51:38,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:38,428 INFO L225 Difference]: With dead ends: 89 [2025-03-17 15:51:38,428 INFO L226 Difference]: Without dead ends: 87 [2025-03-17 15:51:38,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:51:38,429 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 47 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:38,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 99 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:51:38,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-03-17 15:51:38,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2025-03-17 15:51:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 78 states have (on average 1.3846153846153846) internal successors, (108), 80 states have internal predecessors, (108), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:51:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 114 transitions. [2025-03-17 15:51:38,437 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 114 transitions. Word has length 26 [2025-03-17 15:51:38,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:38,437 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 114 transitions. [2025-03-17 15:51:38,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:51:38,437 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 114 transitions. [2025-03-17 15:51:38,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-17 15:51:38,437 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:38,437 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:38,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 15:51:38,438 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 15:51:38,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:38,438 INFO L85 PathProgramCache]: Analyzing trace with hash -227724916, now seen corresponding path program 1 times [2025-03-17 15:51:38,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:38,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696731170] [2025-03-17 15:51:38,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:38,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:38,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-17 15:51:38,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-17 15:51:38,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:38,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:51:38,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:38,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696731170] [2025-03-17 15:51:38,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696731170] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:51:38,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:51:38,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:51:38,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227468829] [2025-03-17 15:51:38,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:51:38,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:51:38,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:38,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:51:38,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:51:38,543 INFO L87 Difference]: Start difference. First operand 87 states and 114 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2025-03-17 15:51:38,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:38,566 INFO L93 Difference]: Finished difference Result 150 states and 198 transitions. [2025-03-17 15:51:38,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:51:38,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) Word has length 35 [2025-03-17 15:51:38,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:38,568 INFO L225 Difference]: With dead ends: 150 [2025-03-17 15:51:38,568 INFO L226 Difference]: Without dead ends: 91 [2025-03-17 15:51:38,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:51:38,570 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:38,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:51:38,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2025-03-17 15:51:38,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2025-03-17 15:51:38,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 84 states have internal predecessors, (112), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:51:38,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2025-03-17 15:51:38,577 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 35 [2025-03-17 15:51:38,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:38,577 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2025-03-17 15:51:38,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2025-03-17 15:51:38,578 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2025-03-17 15:51:38,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 15:51:38,578 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:38,578 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:38,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 15:51:38,579 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 15:51:38,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:38,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1709865205, now seen corresponding path program 1 times [2025-03-17 15:51:38,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:38,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142612046] [2025-03-17 15:51:38,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:38,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:38,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:51:38,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:51:38,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:38,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:51:38,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:38,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142612046] [2025-03-17 15:51:38,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142612046] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:38,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432097946] [2025-03-17 15:51:38,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:38,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:38,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:38,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:38,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 15:51:38,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:51:38,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:51:38,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:38,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:38,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:51:38,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:51:38,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:51:38,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432097946] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:51:38,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:51:38,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2025-03-17 15:51:38,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547505302] [2025-03-17 15:51:38,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:51:38,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:51:38,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:38,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:51:38,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:51:38,986 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2025-03-17 15:51:39,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:39,058 INFO L93 Difference]: Finished difference Result 147 states and 197 transitions. [2025-03-17 15:51:39,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:39,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 41 [2025-03-17 15:51:39,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:39,063 INFO L225 Difference]: With dead ends: 147 [2025-03-17 15:51:39,063 INFO L226 Difference]: Without dead ends: 146 [2025-03-17 15:51:39,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:51:39,064 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 46 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:39,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 151 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:51:39,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2025-03-17 15:51:39,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 90. [2025-03-17 15:51:39,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 82 states have (on average 1.3414634146341464) internal successors, (110), 83 states have internal predecessors, (110), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:51:39,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 116 transitions. [2025-03-17 15:51:39,074 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 116 transitions. Word has length 41 [2025-03-17 15:51:39,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:39,074 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 116 transitions. [2025-03-17 15:51:39,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2025-03-17 15:51:39,075 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2025-03-17 15:51:39,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-17 15:51:39,075 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:39,075 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:39,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 15:51:39,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:39,280 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 15:51:39,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:39,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1116843480, now seen corresponding path program 1 times [2025-03-17 15:51:39,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:39,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594871114] [2025-03-17 15:51:39,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:39,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:39,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:51:39,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:51:39,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:39,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:39,508 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:51:39,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:39,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594871114] [2025-03-17 15:51:39,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594871114] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:39,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044802782] [2025-03-17 15:51:39,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:39,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:39,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:39,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:39,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 15:51:39,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:51:39,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:51:39,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:39,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:39,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:51:39,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:39,750 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:51:39,750 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:51:39,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044802782] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:39,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:39,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-03-17 15:51:39,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644782572] [2025-03-17 15:51:39,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:39,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:51:39,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:39,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:51:39,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:51:39,893 INFO L87 Difference]: Start difference. First operand 90 states and 116 transitions. Second operand has 12 states, 11 states have (on average 10.454545454545455) internal successors, (115), 11 states have internal predecessors, (115), 4 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:51:40,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:40,057 INFO L93 Difference]: Finished difference Result 299 states and 399 transitions. [2025-03-17 15:51:40,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 15:51:40,058 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.454545454545455) internal successors, (115), 11 states have internal predecessors, (115), 4 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2025-03-17 15:51:40,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:40,059 INFO L225 Difference]: With dead ends: 299 [2025-03-17 15:51:40,059 INFO L226 Difference]: Without dead ends: 237 [2025-03-17 15:51:40,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=162, Invalid=258, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:51:40,060 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 177 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:40,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 245 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:51:40,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2025-03-17 15:51:40,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 152. [2025-03-17 15:51:40,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 138 states have (on average 1.326086956521739) internal successors, (183), 141 states have internal predecessors, (183), 5 states have call successors, (5), 5 states have call predecessors, (5), 8 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-17 15:51:40,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 197 transitions. [2025-03-17 15:51:40,074 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 197 transitions. Word has length 50 [2025-03-17 15:51:40,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:40,074 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 197 transitions. [2025-03-17 15:51:40,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.454545454545455) internal successors, (115), 11 states have internal predecessors, (115), 4 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:51:40,074 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 197 transitions. [2025-03-17 15:51:40,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-17 15:51:40,076 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:40,076 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2025-03-17 15:51:40,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 15:51:40,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-03-17 15:51:40,280 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 15:51:40,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:40,280 INFO L85 PathProgramCache]: Analyzing trace with hash -36453445, now seen corresponding path program 1 times [2025-03-17 15:51:40,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:40,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888672170] [2025-03-17 15:51:40,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:40,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:40,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-17 15:51:40,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-17 15:51:40,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:40,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:51:40,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:40,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888672170] [2025-03-17 15:51:40,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888672170] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:40,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891015136] [2025-03-17 15:51:40,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:40,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:40,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:40,724 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:40,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 15:51:40,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-17 15:51:40,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-17 15:51:40,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:40,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:40,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 15:51:40,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:41,091 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:51:41,092 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:41,393 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:51:41,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891015136] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:41,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:41,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 9] total 17 [2025-03-17 15:51:41,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123221904] [2025-03-17 15:51:41,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:41,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-17 15:51:41,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:41,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-17 15:51:41,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=205, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:51:41,400 INFO L87 Difference]: Start difference. First operand 152 states and 197 transitions. Second operand has 19 states, 18 states have (on average 12.444444444444445) internal successors, (224), 18 states have internal predecessors, (224), 8 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2025-03-17 15:51:41,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:41,698 INFO L93 Difference]: Finished difference Result 722 states and 965 transitions. [2025-03-17 15:51:41,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-03-17 15:51:41,698 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 12.444444444444445) internal successors, (224), 18 states have internal predecessors, (224), 8 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 114 [2025-03-17 15:51:41,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:41,703 INFO L225 Difference]: With dead ends: 722 [2025-03-17 15:51:41,703 INFO L226 Difference]: Without dead ends: 663 [2025-03-17 15:51:41,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=526, Invalid=880, Unknown=0, NotChecked=0, Total=1406 [2025-03-17 15:51:41,706 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 557 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:41,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 477 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:51:41,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2025-03-17 15:51:41,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 367. [2025-03-17 15:51:41,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 333 states have (on average 1.3243243243243243) internal successors, (441), 342 states have internal predecessors, (441), 12 states have call successors, (12), 12 states have call predecessors, (12), 21 states have return successors, (23), 12 states have call predecessors, (23), 12 states have call successors, (23) [2025-03-17 15:51:41,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 476 transitions. [2025-03-17 15:51:41,729 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 476 transitions. Word has length 114 [2025-03-17 15:51:41,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:41,729 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 476 transitions. [2025-03-17 15:51:41,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.444444444444445) internal successors, (224), 18 states have internal predecessors, (224), 8 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2025-03-17 15:51:41,730 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 476 transitions. [2025-03-17 15:51:41,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2025-03-17 15:51:41,732 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:41,732 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2025-03-17 15:51:41,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:41,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:41,936 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 15:51:41,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:41,936 INFO L85 PathProgramCache]: Analyzing trace with hash 310367117, now seen corresponding path program 2 times [2025-03-17 15:51:41,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:41,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437421869] [2025-03-17 15:51:41,936 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:51:41,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:41,986 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 258 statements into 2 equivalence classes. [2025-03-17 15:51:42,020 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 258 statements. [2025-03-17 15:51:42,020 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 15:51:42,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 70 proven. 30 refuted. 0 times theorem prover too weak. 1130 trivial. 0 not checked. [2025-03-17 15:51:42,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:42,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437421869] [2025-03-17 15:51:42,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437421869] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:42,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741790405] [2025-03-17 15:51:42,719 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:51:42,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:42,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:42,721 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:42,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 15:51:42,934 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 258 statements into 2 equivalence classes. [2025-03-17 15:51:42,997 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 258 statements. [2025-03-17 15:51:42,997 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 15:51:42,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:42,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-03-17 15:51:43,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:46,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2025-03-17 15:51:46,722 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:51:46,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741790405] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:51:46,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:51:46,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-03-17 15:51:46,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059212907] [2025-03-17 15:51:46,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:51:46,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:51:46,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:46,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:51:46,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:46,724 INFO L87 Difference]: Start difference. First operand 367 states and 476 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:51:46,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:46,758 INFO L93 Difference]: Finished difference Result 743 states and 961 transitions. [2025-03-17 15:51:46,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:51:46,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 258 [2025-03-17 15:51:46,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:46,761 INFO L225 Difference]: With dead ends: 743 [2025-03-17 15:51:46,763 INFO L226 Difference]: Without dead ends: 379 [2025-03-17 15:51:46,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:46,764 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 22 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:46,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 62 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:51:46,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-03-17 15:51:46,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 367. [2025-03-17 15:51:46,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 333 states have (on average 1.2882882882882882) internal successors, (429), 342 states have internal predecessors, (429), 12 states have call successors, (12), 12 states have call predecessors, (12), 21 states have return successors, (23), 12 states have call predecessors, (23), 12 states have call successors, (23) [2025-03-17 15:51:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 464 transitions. [2025-03-17 15:51:46,778 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 464 transitions. Word has length 258 [2025-03-17 15:51:46,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:46,778 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 464 transitions. [2025-03-17 15:51:46,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:51:46,779 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 464 transitions. [2025-03-17 15:51:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2025-03-17 15:51:46,781 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:46,781 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2025-03-17 15:51:46,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 15:51:46,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:46,982 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 15:51:46,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:46,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1596770769, now seen corresponding path program 1 times [2025-03-17 15:51:46,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:46,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158766012] [2025-03-17 15:51:46,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:46,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:47,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 269 statements into 1 equivalence classes. [2025-03-17 15:51:47,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 269 of 269 statements. [2025-03-17 15:51:47,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:47,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:48,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 0 proven. 1105 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-03-17 15:51:48,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:48,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158766012] [2025-03-17 15:51:48,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158766012] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:48,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69250176] [2025-03-17 15:51:48,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:48,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:48,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:48,455 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:51:48,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 15:51:48,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 269 statements into 1 equivalence classes. [2025-03-17 15:51:48,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 269 of 269 statements. [2025-03-17 15:51:48,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:48,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:48,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-17 15:51:48,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 0 proven. 1105 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-03-17 15:51:49,091 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:49,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 0 proven. 1285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:51:49,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69250176] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:49,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:49,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 21] total 35 [2025-03-17 15:51:49,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192999866] [2025-03-17 15:51:49,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:49,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-03-17 15:51:49,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:49,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-03-17 15:51:49,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=802, Unknown=0, NotChecked=0, Total=1332 [2025-03-17 15:51:49,711 INFO L87 Difference]: Start difference. First operand 367 states and 464 transitions. Second operand has 37 states, 36 states have (on average 13.694444444444445) internal successors, (493), 36 states have internal predecessors, (493), 20 states have call successors, (30), 12 states have call predecessors, (30), 12 states have return successors, (30), 20 states have call predecessors, (30), 20 states have call successors, (30) [2025-03-17 15:51:50,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:50,667 INFO L93 Difference]: Finished difference Result 2528 states and 3265 transitions. [2025-03-17 15:51:50,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-03-17 15:51:50,670 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 13.694444444444445) internal successors, (493), 36 states have internal predecessors, (493), 20 states have call successors, (30), 12 states have call predecessors, (30), 12 states have return successors, (30), 20 states have call predecessors, (30), 20 states have call successors, (30) Word has length 269 [2025-03-17 15:51:50,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:50,685 INFO L225 Difference]: With dead ends: 2528 [2025-03-17 15:51:50,686 INFO L226 Difference]: Without dead ends: 2317 [2025-03-17 15:51:50,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 531 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1346 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=2311, Invalid=4009, Unknown=0, NotChecked=0, Total=6320 [2025-03-17 15:51:50,692 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 1256 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:50,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 888 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:51:50,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2317 states. [2025-03-17 15:51:50,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2317 to 751. [2025-03-17 15:51:50,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 681 states have (on average 1.2819383259911894) internal successors, (873), 702 states have internal predecessors, (873), 24 states have call successors, (24), 24 states have call predecessors, (24), 45 states have return successors, (47), 24 states have call predecessors, (47), 24 states have call successors, (47) [2025-03-17 15:51:50,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 944 transitions. [2025-03-17 15:51:50,768 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 944 transitions. Word has length 269 [2025-03-17 15:51:50,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:50,769 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 944 transitions. [2025-03-17 15:51:50,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 13.694444444444445) internal successors, (493), 36 states have internal predecessors, (493), 20 states have call successors, (30), 12 states have call predecessors, (30), 12 states have return successors, (30), 20 states have call predecessors, (30), 20 states have call successors, (30) [2025-03-17 15:51:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 944 transitions. [2025-03-17 15:51:50,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2025-03-17 15:51:50,797 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:50,797 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2025-03-17 15:51:50,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:50,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:50,998 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 15:51:50,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:50,999 INFO L85 PathProgramCache]: Analyzing trace with hash -977412625, now seen corresponding path program 2 times [2025-03-17 15:51:50,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:50,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769766476] [2025-03-17 15:51:50,999 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:51:50,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:51,102 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 569 statements into 2 equivalence classes. [2025-03-17 15:51:51,112 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 569 statements. [2025-03-17 15:51:51,112 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 15:51:51,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:51,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6127 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 5929 trivial. 0 not checked. [2025-03-17 15:51:51,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:51,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769766476] [2025-03-17 15:51:51,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769766476] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:51:51,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:51:51,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:51:51,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093651046] [2025-03-17 15:51:51,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:51:51,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:51:51,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:51,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:51:51,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:51:51,248 INFO L87 Difference]: Start difference. First operand 751 states and 944 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2025-03-17 15:51:51,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:51,282 INFO L93 Difference]: Finished difference Result 764 states and 961 transitions. [2025-03-17 15:51:51,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:51:51,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 569 [2025-03-17 15:51:51,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:51,285 INFO L225 Difference]: With dead ends: 764 [2025-03-17 15:51:51,285 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 15:51:51,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:51:51,286 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:51,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 44 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:51:51,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 15:51:51,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 15:51:51,287 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) [2025-03-17 15:51:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 15:51:51,287 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 569 [2025-03-17 15:51:51,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:51,287 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 15:51:51,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2025-03-17 15:51:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 15:51:51,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 15:51:51,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-03-17 15:51:51,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-03-17 15:51:51,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-03-17 15:51:51,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_module_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-03-17 15:51:51,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 15:51:51,293 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2025-03-17 15:51:51,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 15:51:51,311 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 15:51:51,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:51:51 BoogieIcfgContainer [2025-03-17 15:51:51,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 15:51:51,317 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 15:51:51,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 15:51:51,317 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 15:51:51,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:51:37" (3/4) ... [2025-03-17 15:51:51,319 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 15:51:51,324 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2025-03-17 15:51:51,324 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2025-03-17 15:51:51,328 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2025-03-17 15:51:51,328 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-03-17 15:51:51,328 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-17 15:51:51,328 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 15:51:51,398 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 15:51:51,398 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 15:51:51,398 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 15:51:51,400 INFO L158 Benchmark]: Toolchain (without parser) took 14902.52ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 107.0MB in the beginning and 258.8MB in the end (delta: -151.8MB). Peak memory consumption was 104.0MB. Max. memory is 16.1GB. [2025-03-17 15:51:51,400 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:51:51,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.56ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 39.9MB in the end (delta: 66.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-17 15:51:51,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.95ms. Allocated memory is still 142.6MB. Free memory was 39.9MB in the beginning and 101.6MB in the end (delta: -61.7MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2025-03-17 15:51:51,400 INFO L158 Benchmark]: Boogie Preprocessor took 46.70ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:51:51,401 INFO L158 Benchmark]: IcfgBuilder took 358.97ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 79.2MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 15:51:51,401 INFO L158 Benchmark]: TraceAbstraction took 13731.85ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 78.5MB in the beginning and 267.1MB in the end (delta: -188.6MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2025-03-17 15:51:51,401 INFO L158 Benchmark]: Witness Printer took 81.67ms. Allocated memory is still 394.3MB. Free memory was 267.1MB in the beginning and 258.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:51:51,402 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.56ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 39.9MB in the end (delta: 66.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.95ms. Allocated memory is still 142.6MB. Free memory was 39.9MB in the beginning and 101.6MB in the end (delta: -61.7MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.70ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 358.97ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 79.2MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13731.85ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 78.5MB in the beginning and 267.1MB in the end (delta: -188.6MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. * Witness Printer took 81.67ms. Allocated memory is still 394.3MB. Free memory was 267.1MB in the beginning and 258.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 4823]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4823-4824] - GenericResultAtLocation [Line: 4826]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4826-4827] - GenericResultAtLocation [Line: 4830]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4830-4831] - GenericResultAtLocation [Line: 4833]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4833-4834] - GenericResultAtLocation [Line: 4837]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4837-4838] * 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: 5018]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 5018]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 5038]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 5038]: 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, 48 locations, 65 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 10, TraceHistogramMax: 23, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2139 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2139 mSDsluCounter, 2249 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1856 mSDsCounter, 380 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 485 IncrementalHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 380 mSolverCounterUnsat, 393 mSDtfsCounter, 485 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1306 GetRequests, 1147 SyntacticMatches, 3 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1699 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=751occurred in iteration=9, InterpolantAutomatonStates: 151, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 2015 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 2136 NumberOfCodeBlocks, 1106 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2551 ConstructedInterpolants, 0 QuantifiedInterpolants, 32894 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3256 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 18 InterpolantComputations, 7 PerfectInterpolantSequences, 8993/13156 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 15:51:51,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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