./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/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 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/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 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 21:18:24,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 21:18:24,183 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 21:18:24,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 21:18:24,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 21:18:24,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 21:18:24,216 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 21:18:24,216 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 21:18:24,217 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 21:18:24,219 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 21:18:24,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 21:18:24,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 21:18:24,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 21:18:24,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 21:18:24,221 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 21:18:24,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 21:18:24,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 21:18:24,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 21:18:24,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 21:18:24,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 21:18:24,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 21:18:24,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 21:18:24,228 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 21:18:24,228 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 21:18:24,228 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 21:18:24,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 21:18:24,228 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 21:18:24,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 21:18:24,229 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 21:18:24,229 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 21:18:24,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 21:18:24,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:18:24,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 21:18:24,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 21:18:24,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 21:18:24,248 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 21:18:24,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 21:18:24,249 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 21:18:24,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 21:18:24,249 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 21:18:24,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 21:18:24,250 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66690b8f2afac00b38604fc5fd1edb6c2524e6892200d6512ef98cf0032d8df1 [2024-10-14 21:18:24,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 21:18:24,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 21:18:24,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 21:18:24,572 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 21:18:24,573 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 21:18:24,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2024-10-14 21:18:26,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 21:18:26,497 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 21:18:26,498 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 [2024-10-14 21:18:26,534 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c81869b6/0462d09aa9c146729599e5cf5dfe613c/FLAGaa914eb09 [2024-10-14 21:18:26,553 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c81869b6/0462d09aa9c146729599e5cf5dfe613c [2024-10-14 21:18:26,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 21:18:26,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 21:18:26,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 21:18:26,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 21:18:26,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 21:18:26,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:18:26" (1/1) ... [2024-10-14 21:18:26,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b342855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:26, skipping insertion in model container [2024-10-14 21:18:26,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:18:26" (1/1) ... [2024-10-14 21:18:26,659 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 21:18:27,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:18:27,328 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 21:18:27,557 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] [2024-10-14 21:18:27,560 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] [2024-10-14 21:18:27,561 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] [2024-10-14 21:18:27,562 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] [2024-10-14 21:18:27,562 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] [2024-10-14 21:18:27,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:18:27,624 INFO L204 MainTranslator]: Completed translation [2024-10-14 21:18:27,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27 WrapperNode [2024-10-14 21:18:27,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 21:18:27,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 21:18:27,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 21:18:27,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 21:18:27,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27" (1/1) ... [2024-10-14 21:18:27,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27" (1/1) ... [2024-10-14 21:18:27,692 INFO L138 Inliner]: procedures = 49, calls = 67, calls flagged for inlining = 23, calls inlined = 16, statements flattened = 192 [2024-10-14 21:18:27,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 21:18:27,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 21:18:27,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 21:18:27,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 21:18:27,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27" (1/1) ... [2024-10-14 21:18:27,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27" (1/1) ... [2024-10-14 21:18:27,712 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27" (1/1) ... [2024-10-14 21:18:27,742 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]. [2024-10-14 21:18:27,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27" (1/1) ... [2024-10-14 21:18:27,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27" (1/1) ... [2024-10-14 21:18:27,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27" (1/1) ... [2024-10-14 21:18:27,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27" (1/1) ... [2024-10-14 21:18:27,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27" (1/1) ... [2024-10-14 21:18:27,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27" (1/1) ... [2024-10-14 21:18:27,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 21:18:27,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 21:18:27,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 21:18:27,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 21:18:27,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27" (1/1) ... [2024-10-14 21:18:27,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:18:27,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:18:27,824 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) [2024-10-14 21:18:27,832 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 [2024-10-14 21:18:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 21:18:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 21:18:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 21:18:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 21:18:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-14 21:18:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-10-14 21:18:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-10-14 21:18:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-10-14 21:18:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-10-14 21:18:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-14 21:18:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-14 21:18:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-14 21:18:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-14 21:18:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 21:18:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 21:18:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 21:18:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 21:18:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 21:18:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 21:18:28,067 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 21:18:28,068 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 21:18:28,074 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-14 21:18:28,269 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2024-10-14 21:18:28,269 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2024-10-14 21:18:28,330 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-10-14 21:18:28,330 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 21:18:28,404 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 21:18:28,405 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 21:18:28,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:18:28 BoogieIcfgContainer [2024-10-14 21:18:28,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 21:18:28,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 21:18:28,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 21:18:28,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 21:18:28,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:18:26" (1/3) ... [2024-10-14 21:18:28,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e4aba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:18:28, skipping insertion in model container [2024-10-14 21:18:28,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:18:27" (2/3) ... [2024-10-14 21:18:28,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e4aba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:18:28, skipping insertion in model container [2024-10-14 21:18:28,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:18:28" (3/3) ... [2024-10-14 21:18:28,417 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox.ko.cil.out.i [2024-10-14 21:18:28,438 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 21:18:28,439 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-14 21:18:28,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 21:18:28,513 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;@4fbaae09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 21:18:28,514 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-14 21:18:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 30 states have (on average 1.6) internal successors, (48), 36 states have internal predecessors, (48), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 21:18:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 21:18:28,525 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:18:28,526 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:18:28,527 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 21:18:28,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:18:28,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1769397351, now seen corresponding path program 1 times [2024-10-14 21:18:28,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:18:28,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43151252] [2024-10-14 21:18:28,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:28,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:18:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:28,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:18:28,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:18:28,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43151252] [2024-10-14 21:18:28,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43151252] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:18:28,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:18:28,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 21:18:28,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798038688] [2024-10-14 21:18:28,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:18:28,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:18:28,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:18:29,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:18:29,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:18:29,015 INFO L87 Difference]: Start difference. First operand has 40 states, 30 states have (on average 1.6) internal successors, (48), 36 states have internal predecessors, (48), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:18:29,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:18:29,113 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2024-10-14 21:18:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:18:29,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2024-10-14 21:18:29,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:18:29,121 INFO L225 Difference]: With dead ends: 103 [2024-10-14 21:18:29,121 INFO L226 Difference]: Without dead ends: 51 [2024-10-14 21:18:29,124 INFO L431 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 [2024-10-14 21:18:29,127 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 27 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:18:29,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 60 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:18:29,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-14 21:18:29,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-10-14 21:18:29,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 43 states have (on average 1.4883720930232558) internal successors, (64), 46 states have internal predecessors, (64), 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) [2024-10-14 21:18:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 68 transitions. [2024-10-14 21:18:29,193 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 68 transitions. Word has length 13 [2024-10-14 21:18:29,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:18:29,194 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 68 transitions. [2024-10-14 21:18:29,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:18:29,194 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2024-10-14 21:18:29,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-14 21:18:29,196 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:18:29,196 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:18:29,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 21:18:29,197 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 21:18:29,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:18:29,198 INFO L85 PathProgramCache]: Analyzing trace with hash -948238383, now seen corresponding path program 1 times [2024-10-14 21:18:29,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:18:29,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801248405] [2024-10-14 21:18:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:18:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:29,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:18:29,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:18:29,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801248405] [2024-10-14 21:18:29,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801248405] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:18:29,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:18:29,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:18:29,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813922245] [2024-10-14 21:18:29,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:18:29,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:18:29,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:18:29,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:18:29,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:18:29,361 INFO L87 Difference]: Start difference. First operand 51 states and 68 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-10-14 21:18:29,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:18:29,400 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2024-10-14 21:18:29,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:18:29,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 21 [2024-10-14 21:18:29,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:18:29,403 INFO L225 Difference]: With dead ends: 51 [2024-10-14 21:18:29,403 INFO L226 Difference]: Without dead ends: 50 [2024-10-14 21:18:29,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:18:29,405 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 2 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:18:29,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 49 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:18:29,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-14 21:18:29,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-14 21:18:29,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 45 states have internal predecessors, (63), 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) [2024-10-14 21:18:29,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2024-10-14 21:18:29,417 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 67 transitions. Word has length 21 [2024-10-14 21:18:29,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:18:29,418 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 67 transitions. [2024-10-14 21:18:29,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-10-14 21:18:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2024-10-14 21:18:29,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-14 21:18:29,419 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:18:29,420 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:18:29,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 21:18:29,420 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_module_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 21:18:29,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:18:29,422 INFO L85 PathProgramCache]: Analyzing trace with hash 669381355, now seen corresponding path program 1 times [2024-10-14 21:18:29,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:18:29,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133795052] [2024-10-14 21:18:29,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:29,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:18:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:18:29,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:18:29,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133795052] [2024-10-14 21:18:29,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133795052] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:18:29,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:18:29,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:18:29,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440073232] [2024-10-14 21:18:29,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:18:29,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:18:29,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:18:29,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:18:29,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:18:29,606 INFO L87 Difference]: Start difference. First operand 50 states and 67 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-10-14 21:18:29,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:18:29,704 INFO L93 Difference]: Finished difference Result 76 states and 103 transitions. [2024-10-14 21:18:29,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:18:29,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 22 [2024-10-14 21:18:29,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:18:29,706 INFO L225 Difference]: With dead ends: 76 [2024-10-14 21:18:29,706 INFO L226 Difference]: Without dead ends: 74 [2024-10-14 21:18:29,706 INFO L431 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 [2024-10-14 21:18:29,707 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 42 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:18:29,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 64 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:18:29,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-14 21:18:29,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-10-14 21:18:29,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 65 states have (on average 1.4615384615384615) internal successors, (95), 67 states have internal predecessors, (95), 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) [2024-10-14 21:18:29,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 101 transitions. [2024-10-14 21:18:29,723 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 101 transitions. Word has length 22 [2024-10-14 21:18:29,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:18:29,724 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 101 transitions. [2024-10-14 21:18:29,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-10-14 21:18:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2024-10-14 21:18:29,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-14 21:18:29,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:18:29,726 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:18:29,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 21:18:29,726 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 21:18:29,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:18:29,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1609584685, now seen corresponding path program 1 times [2024-10-14 21:18:29,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:18:29,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162411374] [2024-10-14 21:18:29,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:29,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:18:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:18:29,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:18:29,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162411374] [2024-10-14 21:18:29,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162411374] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:18:29,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:18:29,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 21:18:29,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764702587] [2024-10-14 21:18:29,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:18:29,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:18:29,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:18:29,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:18:29,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:18:29,832 INFO L87 Difference]: Start difference. First operand 74 states and 101 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:18:29,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:18:29,873 INFO L93 Difference]: Finished difference Result 129 states and 177 transitions. [2024-10-14 21:18:29,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:18:29,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2024-10-14 21:18:29,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:18:29,875 INFO L225 Difference]: With dead ends: 129 [2024-10-14 21:18:29,875 INFO L226 Difference]: Without dead ends: 78 [2024-10-14 21:18:29,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:18:29,877 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:18:29,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:18:29,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-14 21:18:29,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-10-14 21:18:29,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 69 states have (on average 1.434782608695652) internal successors, (99), 71 states have internal predecessors, (99), 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) [2024-10-14 21:18:29,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 105 transitions. [2024-10-14 21:18:29,885 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 105 transitions. Word has length 28 [2024-10-14 21:18:29,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:18:29,885 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 105 transitions. [2024-10-14 21:18:29,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:18:29,886 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2024-10-14 21:18:29,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-14 21:18:29,886 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:18:29,886 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:18:29,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 21:18:29,887 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 21:18:29,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:18:29,887 INFO L85 PathProgramCache]: Analyzing trace with hash 825339886, now seen corresponding path program 1 times [2024-10-14 21:18:29,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:18:29,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573363158] [2024-10-14 21:18:29,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:29,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:18:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:30,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 21:18:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:18:30,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:18:30,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573363158] [2024-10-14 21:18:30,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573363158] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:18:30,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312293299] [2024-10-14 21:18:30,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:30,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:18:30,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:18:30,102 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) [2024-10-14 21:18:30,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 21:18:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:30,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 21:18:30,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:18:30,383 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:18:30,384 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:18:30,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312293299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:18:30,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:18:30,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2024-10-14 21:18:30,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413293276] [2024-10-14 21:18:30,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:18:30,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:18:30,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:18:30,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:18:30,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:18:30,391 INFO L87 Difference]: Start difference. First operand 78 states and 105 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:18:30,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:18:30,499 INFO L93 Difference]: Finished difference Result 126 states and 176 transitions. [2024-10-14 21:18:30,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:18:30,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 34 [2024-10-14 21:18:30,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:18:30,502 INFO L225 Difference]: With dead ends: 126 [2024-10-14 21:18:30,502 INFO L226 Difference]: Without dead ends: 125 [2024-10-14 21:18:30,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:18:30,508 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 44 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:18:30,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 92 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:18:30,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-14 21:18:30,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 77. [2024-10-14 21:18:30,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 69 states have (on average 1.4057971014492754) internal successors, (97), 70 states have internal predecessors, (97), 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) [2024-10-14 21:18:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2024-10-14 21:18:30,530 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 34 [2024-10-14 21:18:30,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:18:30,531 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2024-10-14 21:18:30,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:18:30,531 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2024-10-14 21:18:30,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 21:18:30,532 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:18:30,532 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 21:18:30,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 21:18:30,734 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 [2024-10-14 21:18:30,735 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_module_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 21:18:30,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:18:30,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1350399542, now seen corresponding path program 1 times [2024-10-14 21:18:30,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:18:30,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090950463] [2024-10-14 21:18:30,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:30,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:18:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:30,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 21:18:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:18:30,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:18:30,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090950463] [2024-10-14 21:18:30,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090950463] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:18:30,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514161804] [2024-10-14 21:18:30,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:30,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:18:30,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:18:30,951 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) [2024-10-14 21:18:30,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 21:18:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:31,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 21:18:31,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:18:31,202 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:18:31,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:18:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:18:31,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514161804] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:18:31,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:18:31,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-14 21:18:31,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001584148] [2024-10-14 21:18:31,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:18:31,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 21:18:31,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:18:31,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 21:18:31,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:18:31,393 INFO L87 Difference]: Start difference. First operand 77 states and 103 transitions. Second operand has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 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) [2024-10-14 21:18:31,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:18:31,639 INFO L93 Difference]: Finished difference Result 258 states and 358 transitions. [2024-10-14 21:18:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 21:18:31,640 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 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 43 [2024-10-14 21:18:31,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:18:31,642 INFO L225 Difference]: With dead ends: 258 [2024-10-14 21:18:31,642 INFO L226 Difference]: Without dead ends: 204 [2024-10-14 21:18:31,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=162, Invalid=258, Unknown=0, NotChecked=0, Total=420 [2024-10-14 21:18:31,644 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 191 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:18:31,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 154 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:18:31,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-10-14 21:18:31,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 131. [2024-10-14 21:18:31,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 117 states have (on average 1.3846153846153846) internal successors, (162), 120 states have internal predecessors, (162), 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) [2024-10-14 21:18:31,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 176 transitions. [2024-10-14 21:18:31,658 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 176 transitions. Word has length 43 [2024-10-14 21:18:31,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:18:31,658 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 176 transitions. [2024-10-14 21:18:31,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 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) [2024-10-14 21:18:31,659 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 176 transitions. [2024-10-14 21:18:31,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 21:18:31,662 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:18:31,662 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-10-14 21:18:31,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 21:18:31,863 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 [2024-10-14 21:18:31,863 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 21:18:31,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:18:31,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1824124512, now seen corresponding path program 1 times [2024-10-14 21:18:31,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:18:31,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514999340] [2024-10-14 21:18:31,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:31,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:18:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:32,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 21:18:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:32,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 21:18:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:32,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 21:18:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 21:18:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 21:18:32,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:18:32,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514999340] [2024-10-14 21:18:32,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514999340] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:18:32,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555352695] [2024-10-14 21:18:32,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:32,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:18:32,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:18:32,420 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) [2024-10-14 21:18:32,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 21:18:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:32,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-14 21:18:32,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:18:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 21:18:32,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:18:33,183 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:18:33,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555352695] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:18:33,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:18:33,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 9] total 17 [2024-10-14 21:18:33,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906793448] [2024-10-14 21:18:33,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:18:33,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-14 21:18:33,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:18:33,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-14 21:18:33,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=205, Unknown=0, NotChecked=0, Total=342 [2024-10-14 21:18:33,187 INFO L87 Difference]: Start difference. First operand 131 states and 176 transitions. Second operand has 19 states, 18 states have (on average 10.444444444444445) internal successors, (188), 18 states have internal predecessors, (188), 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) [2024-10-14 21:18:33,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:18:33,759 INFO L93 Difference]: Finished difference Result 621 states and 864 transitions. [2024-10-14 21:18:33,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-14 21:18:33,759 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 10.444444444444445) internal successors, (188), 18 states have internal predecessors, (188), 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 98 [2024-10-14 21:18:33,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:18:33,763 INFO L225 Difference]: With dead ends: 621 [2024-10-14 21:18:33,763 INFO L226 Difference]: Without dead ends: 570 [2024-10-14 21:18:33,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=526, Invalid=880, Unknown=0, NotChecked=0, Total=1406 [2024-10-14 21:18:33,765 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 322 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:18:33,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 331 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:18:33,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-10-14 21:18:33,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 318. [2024-10-14 21:18:33,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 284 states have (on average 1.380281690140845) internal successors, (392), 293 states have internal predecessors, (392), 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) [2024-10-14 21:18:33,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 427 transitions. [2024-10-14 21:18:33,795 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 427 transitions. Word has length 98 [2024-10-14 21:18:33,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:18:33,795 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 427 transitions. [2024-10-14 21:18:33,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 10.444444444444445) internal successors, (188), 18 states have internal predecessors, (188), 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) [2024-10-14 21:18:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 427 transitions. [2024-10-14 21:18:33,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-14 21:18:33,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:18:33,798 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-10-14 21:18:33,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 21:18:33,999 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 [2024-10-14 21:18:33,999 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 21:18:34,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:18:34,001 INFO L85 PathProgramCache]: Analyzing trace with hash 2093252672, now seen corresponding path program 2 times [2024-10-14 21:18:34,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:18:34,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689135522] [2024-10-14 21:18:34,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:34,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:18:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:35,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 21:18:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:35,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 21:18:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:35,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 21:18:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:35,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 21:18:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:35,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 21:18:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:35,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 21:18:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:35,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 21:18:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:35,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 21:18:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:35,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 21:18:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:35,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 21:18:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 885 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 21:18:35,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:18:35,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689135522] [2024-10-14 21:18:35,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689135522] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:18:35,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339357899] [2024-10-14 21:18:35,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:18:35,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:18:35,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:18:35,848 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) [2024-10-14 21:18:35,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 21:18:36,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 21:18:36,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:18:36,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 21:18:36,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:18:36,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-10-14 21:18:36,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-14 21:18:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2024-10-14 21:18:36,236 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:18:36,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339357899] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:18:36,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:18:36,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 17 [2024-10-14 21:18:36,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723193453] [2024-10-14 21:18:36,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:18:36,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:18:36,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:18:36,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:18:36,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2024-10-14 21:18:36,239 INFO L87 Difference]: Start difference. First operand 318 states and 427 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:18:36,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:18:36,318 INFO L93 Difference]: Finished difference Result 670 states and 900 transitions. [2024-10-14 21:18:36,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:18:36,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 224 [2024-10-14 21:18:36,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:18:36,321 INFO L225 Difference]: With dead ends: 670 [2024-10-14 21:18:36,321 INFO L226 Difference]: Without dead ends: 354 [2024-10-14 21:18:36,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-14 21:18:36,323 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 2 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:18:36,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 90 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:18:36,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-10-14 21:18:36,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 342. [2024-10-14 21:18:36,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 308 states have (on average 1.3506493506493507) internal successors, (416), 317 states have internal predecessors, (416), 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) [2024-10-14 21:18:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 451 transitions. [2024-10-14 21:18:36,358 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 451 transitions. Word has length 224 [2024-10-14 21:18:36,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:18:36,358 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 451 transitions. [2024-10-14 21:18:36,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:18:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 451 transitions. [2024-10-14 21:18:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-14 21:18:36,365 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:18:36,366 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-10-14 21:18:36,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 21:18:36,566 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 [2024-10-14 21:18:36,567 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 21:18:36,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:18:36,567 INFO L85 PathProgramCache]: Analyzing trace with hash -712261994, now seen corresponding path program 1 times [2024-10-14 21:18:36,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:18:36,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570335493] [2024-10-14 21:18:36,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:36,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:18:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:38,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 21:18:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:38,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 21:18:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:38,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 21:18:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:38,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 21:18:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:38,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 21:18:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:38,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 21:18:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:38,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 21:18:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:38,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 21:18:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:38,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 21:18:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:38,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 21:18:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 885 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 21:18:38,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:18:38,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570335493] [2024-10-14 21:18:38,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570335493] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:18:38,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460792701] [2024-10-14 21:18:38,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:38,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:18:38,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:18:38,281 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) [2024-10-14 21:18:38,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 21:18:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:38,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 1135 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-14 21:18:38,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:18:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 885 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 21:18:39,009 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:18:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 1065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:18:39,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460792701] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:18:39,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:18:39,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 21] total 35 [2024-10-14 21:18:39,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317892361] [2024-10-14 21:18:39,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:18:39,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-14 21:18:39,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:18:39,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-14 21:18:39,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=802, Unknown=0, NotChecked=0, Total=1332 [2024-10-14 21:18:39,972 INFO L87 Difference]: Start difference. First operand 342 states and 451 transitions. Second operand has 37 states, 36 states have (on average 11.055555555555555) internal successors, (398), 36 states have internal predecessors, (398), 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) [2024-10-14 21:18:41,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:18:41,482 INFO L93 Difference]: Finished difference Result 2355 states and 3178 transitions. [2024-10-14 21:18:41,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-10-14 21:18:41,484 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 11.055555555555555) internal successors, (398), 36 states have internal predecessors, (398), 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 224 [2024-10-14 21:18:41,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:18:41,499 INFO L225 Difference]: With dead ends: 2355 [2024-10-14 21:18:41,500 INFO L226 Difference]: Without dead ends: 2158 [2024-10-14 21:18:41,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 451 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1354 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=2311, Invalid=4009, Unknown=0, NotChecked=0, Total=6320 [2024-10-14 21:18:41,505 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1313 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1313 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 21:18:41,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1313 Valid, 554 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 21:18:41,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2024-10-14 21:18:41,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 702. [2024-10-14 21:18:41,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 632 states have (on average 1.3417721518987342) internal successors, (848), 653 states have internal predecessors, (848), 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) [2024-10-14 21:18:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 919 transitions. [2024-10-14 21:18:41,608 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 919 transitions. Word has length 224 [2024-10-14 21:18:41,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:18:41,608 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 919 transitions. [2024-10-14 21:18:41,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 11.055555555555555) internal successors, (398), 36 states have internal predecessors, (398), 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) [2024-10-14 21:18:41,609 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 919 transitions. [2024-10-14 21:18:41,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2024-10-14 21:18:41,620 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:18:41,620 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1] [2024-10-14 21:18:41,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 21:18:41,824 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 [2024-10-14 21:18:41,825 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 21:18:41,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:18:41,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1667524266, now seen corresponding path program 2 times [2024-10-14 21:18:41,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:18:41,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533415855] [2024-10-14 21:18:41,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:18:41,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:18:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 21:18:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 21:18:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 21:18:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 21:18:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 21:18:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 21:18:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 21:18:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 21:18:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 21:18:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 21:18:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-14 21:18:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 21:18:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-14 21:18:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-14 21:18:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-14 21:18:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-14 21:18:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-10-14 21:18:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-14 21:18:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-14 21:18:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-14 21:18:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2024-10-14 21:18:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-14 21:18:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:18:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 0 proven. 4191 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 21:18:46,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:18:46,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533415855] [2024-10-14 21:18:46,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533415855] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:18:46,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503441182] [2024-10-14 21:18:46,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:18:46,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:18:46,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:18:46,550 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:18:46,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 21:18:46,963 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 21:18:46,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:18:46,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-14 21:18:46,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:18:54,742 INFO L349 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2024-10-14 21:18:54,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 19 [2024-10-14 21:18:54,765 INFO L349 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2024-10-14 21:18:54,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 38 treesize of output 19 [2024-10-14 21:18:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 154 proven. 22 refuted. 0 times theorem prover too weak. 4939 trivial. 0 not checked. [2024-10-14 21:18:54,794 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:18:55,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503441182] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:18:55,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 21:18:55,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 4] total 28 [2024-10-14 21:18:55,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103712691] [2024-10-14 21:18:55,023 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 21:18:55,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-14 21:18:55,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:18:55,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-14 21:18:55,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=673, Unknown=0, NotChecked=0, Total=992 [2024-10-14 21:18:55,026 INFO L87 Difference]: Start difference. First operand 702 states and 919 transitions. Second operand has 29 states, 29 states have (on average 13.758620689655173) internal successors, (399), 28 states have internal predecessors, (399), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 21:18:55,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:18:55,167 INFO L93 Difference]: Finished difference Result 712 states and 933 transitions. [2024-10-14 21:18:55,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:18:55,168 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 13.758620689655173) internal successors, (399), 28 states have internal predecessors, (399), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Word has length 476 [2024-10-14 21:18:55,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:18:55,168 INFO L225 Difference]: With dead ends: 712 [2024-10-14 21:18:55,168 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 21:18:55,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 549 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=409, Invalid=781, Unknown=0, NotChecked=0, Total=1190 [2024-10-14 21:18:55,170 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 23 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:18:55,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 21 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:18:55,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 21:18:55,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 21:18:55,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:18:55,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 21:18:55,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 476 [2024-10-14 21:18:55,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:18:55,172 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 21:18:55,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 13.758620689655173) internal successors, (399), 28 states have internal predecessors, (399), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 21:18:55,173 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 21:18:55,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 21:18:55,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-14 21:18:55,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-14 21:18:55,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-14 21:18:55,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_module_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-14 21:18:55,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 21:18:55,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:18:55,379 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2024-10-14 21:18:55,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 21:18:55,399 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 21:18:55,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:18:55 BoogieIcfgContainer [2024-10-14 21:18:55,414 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 21:18:55,415 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 21:18:55,415 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 21:18:55,415 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 21:18:55,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:18:28" (3/4) ... [2024-10-14 21:18:55,417 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 21:18:55,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2024-10-14 21:18:55,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2024-10-14 21:18:55,430 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2024-10-14 21:18:55,431 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-14 21:18:55,432 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 21:18:55,433 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 21:18:55,536 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 21:18:55,537 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 21:18:55,537 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 21:18:55,538 INFO L158 Benchmark]: Toolchain (without parser) took 28980.25ms. Allocated memory was 148.9MB in the beginning and 830.5MB in the end (delta: 681.6MB). Free memory was 109.3MB in the beginning and 747.2MB in the end (delta: -637.8MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2024-10-14 21:18:55,538 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 148.9MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 21:18:55,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1066.58ms. Allocated memory was 148.9MB in the beginning and 241.2MB in the end (delta: 92.3MB). Free memory was 109.3MB in the beginning and 182.2MB in the end (delta: -72.9MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-10-14 21:18:55,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.02ms. Allocated memory is still 241.2MB. Free memory was 182.2MB in the beginning and 180.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 21:18:55,539 INFO L158 Benchmark]: Boogie Preprocessor took 85.78ms. Allocated memory is still 241.2MB. Free memory was 180.1MB in the beginning and 177.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 21:18:55,539 INFO L158 Benchmark]: RCFGBuilder took 623.74ms. Allocated memory is still 241.2MB. Free memory was 177.0MB in the beginning and 147.6MB in the end (delta: 29.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-14 21:18:55,539 INFO L158 Benchmark]: TraceAbstraction took 27005.27ms. Allocated memory was 241.2MB in the beginning and 830.5MB in the end (delta: 589.3MB). Free memory was 147.6MB in the beginning and 754.5MB in the end (delta: -606.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 21:18:55,539 INFO L158 Benchmark]: Witness Printer took 122.44ms. Allocated memory is still 830.5MB. Free memory was 754.5MB in the beginning and 747.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 21:18:55,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 148.9MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1066.58ms. Allocated memory was 148.9MB in the beginning and 241.2MB in the end (delta: 92.3MB). Free memory was 109.3MB in the beginning and 182.2MB in the end (delta: -72.9MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.02ms. Allocated memory is still 241.2MB. Free memory was 182.2MB in the beginning and 180.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.78ms. Allocated memory is still 241.2MB. Free memory was 180.1MB in the beginning and 177.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 623.74ms. Allocated memory is still 241.2MB. Free memory was 177.0MB in the beginning and 147.6MB in the end (delta: 29.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 27005.27ms. Allocated memory was 241.2MB in the beginning and 830.5MB in the end (delta: 589.3MB). Free memory was 147.6MB in the beginning and 754.5MB in the end (delta: -606.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 122.44ms. Allocated memory is still 830.5MB. Free memory was 754.5MB in the beginning and 747.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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, 40 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 26.9s, OverallIterations: 10, TraceHistogramMax: 23, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1966 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1966 mSDsluCounter, 1500 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1245 mSDsCounter, 335 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1038 IncrementalHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 335 mSolverCounterUnsat, 255 mSDtfsCounter, 1038 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1757 GetRequests, 1559 SyntacticMatches, 3 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1903 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=702occurred 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1841 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 2282 NumberOfCodeBlocks, 1610 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2628 ConstructedInterpolants, 0 QuantifiedInterpolants, 34311 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2472 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 7692/16161 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - ProcedureContractResult [Line: 5028]: Procedure Contract for ldv_module_put Derived contract for procedure ldv_module_put. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 4992]: Procedure Contract for ldv_blast_assert Derived contract for procedure ldv_blast_assert. Ensures: 0 RESULT: Ultimate proved your program to be correct! [2024-10-14 21:18:55,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE