./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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-dev-84cfde4 [2024-10-11 21:21:12,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 21:21:12,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-11 21:21:12,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 21:21:12,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 21:21:12,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 21:21:12,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 21:21:12,354 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 21:21:12,355 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 21:21:12,355 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 21:21:12,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 21:21:12,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 21:21:12,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 21:21:12,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 21:21:12,359 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 21:21:12,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 21:21:12,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 21:21:12,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 21:21:12,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 21:21:12,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 21:21:12,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 21:21:12,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 21:21:12,364 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 21:21:12,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 21:21:12,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 21:21:12,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 21:21:12,365 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 21:21:12,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 21:21:12,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 21:21:12,365 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 21:21:12,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 21:21:12,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:21:12,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 21:21:12,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 21:21:12,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 21:21:12,366 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 21:21:12,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 21:21:12,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 21:21:12,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 21:21:12,367 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 21:21:12,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 21:21:12,369 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66690b8f2afac00b38604fc5fd1edb6c2524e6892200d6512ef98cf0032d8df1 [2024-10-11 21:21:12,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 21:21:12,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 21:21:12,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 21:21:12,576 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 21:21:12,576 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 21:21:12,577 INFO L431 ainManager$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 [2024-10-11 21:21:13,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 21:21:14,207 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 21:21:14,208 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 [2024-10-11 21:21:14,236 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8690e7698/1753bbba4a024fc8afd60f0e957c45d8/FLAG7ab53273c [2024-10-11 21:21:14,250 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8690e7698/1753bbba4a024fc8afd60f0e957c45d8 [2024-10-11 21:21:14,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 21:21:14,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 21:21:14,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 21:21:14,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 21:21:14,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 21:21:14,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:14,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f82ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14, skipping insertion in model container [2024-10-11 21:21:14,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:14,356 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:21:14,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:21:14,824 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 21:21:14,937 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] [2024-10-11 21:21:14,939 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] [2024-10-11 21:21:14,939 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] [2024-10-11 21:21:14,940 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] [2024-10-11 21:21:14,940 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] [2024-10-11 21:21:14,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:21:14,982 INFO L204 MainTranslator]: Completed translation [2024-10-11 21:21:14,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14 WrapperNode [2024-10-11 21:21:14,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 21:21:14,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 21:21:14,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 21:21:14,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 21:21:14,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:15,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:15,037 INFO L138 Inliner]: procedures = 49, calls = 67, calls flagged for inlining = 23, calls inlined = 16, statements flattened = 192 [2024-10-11 21:21:15,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 21:21:15,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 21:21:15,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 21:21:15,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 21:21:15,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:15,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:15,057 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:15,083 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]. [2024-10-11 21:21:15,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:15,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:15,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:15,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:15,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:15,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:15,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 21:21:15,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 21:21:15,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 21:21:15,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 21:21:15,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14" (1/1) ... [2024-10-11 21:21:15,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:21:15,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:21:15,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 21:21:15,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 21:21:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 21:21:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 21:21:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 21:21:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 21:21:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 21:21:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-10-11 21:21:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-10-11 21:21:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-10-11 21:21:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-10-11 21:21:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 21:21:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 21:21:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 21:21:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 21:21:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 21:21:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 21:21:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 21:21:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 21:21:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 21:21:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 21:21:15,358 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 21:21:15,360 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 21:21:15,366 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-11 21:21:15,498 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2024-10-11 21:21:15,498 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2024-10-11 21:21:15,538 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-10-11 21:21:15,539 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 21:21:15,634 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 21:21:15,634 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 21:21:15,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:21:15 BoogieIcfgContainer [2024-10-11 21:21:15,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 21:21:15,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 21:21:15,636 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 21:21:15,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 21:21:15,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:21:14" (1/3) ... [2024-10-11 21:21:15,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e5d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:21:15, skipping insertion in model container [2024-10-11 21:21:15,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:14" (2/3) ... [2024-10-11 21:21:15,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e5d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:21:15, skipping insertion in model container [2024-10-11 21:21:15,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:21:15" (3/3) ... [2024-10-11 21:21:15,640 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox.ko.cil.out.i [2024-10-11 21:21:15,652 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 21:21:15,652 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-11 21:21:15,689 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 21:21:15,697 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;@52254455, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 21:21:15,697 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-11 21:21:15,700 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) [2024-10-11 21:21:15,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 21:21:15,705 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:21:15,706 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:21:15,706 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)] === [2024-10-11 21:21:15,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:21:15,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1769397351, now seen corresponding path program 1 times [2024-10-11 21:21:15,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:21:15,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082097386] [2024-10-11 21:21:15,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:15,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:21:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:21:16,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:21:16,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082097386] [2024-10-11 21:21:16,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082097386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:21:16,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:21:16,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 21:21:16,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520984316] [2024-10-11 21:21:16,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:21:16,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:21:16,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:21:16,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:21:16,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:21:16,045 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) [2024-10-11 21:21:16,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:21:16,113 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2024-10-11 21:21:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:21:16,115 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 [2024-10-11 21:21:16,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:21:16,120 INFO L225 Difference]: With dead ends: 103 [2024-10-11 21:21:16,120 INFO L226 Difference]: Without dead ends: 51 [2024-10-11 21:21:16,123 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 [2024-10-11 21:21:16,125 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 27 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:21:16,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 60 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:21:16,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-11 21:21:16,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-10-11 21:21:16,150 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) [2024-10-11 21:21:16,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 68 transitions. [2024-10-11 21:21:16,153 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 68 transitions. Word has length 13 [2024-10-11 21:21:16,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:21:16,153 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 68 transitions. [2024-10-11 21:21:16,154 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) [2024-10-11 21:21:16,154 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2024-10-11 21:21:16,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-11 21:21:16,154 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:21:16,154 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] [2024-10-11 21:21:16,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 21:21:16,155 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)] === [2024-10-11 21:21:16,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:21:16,158 INFO L85 PathProgramCache]: Analyzing trace with hash -948238383, now seen corresponding path program 1 times [2024-10-11 21:21:16,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:21:16,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231405050] [2024-10-11 21:21:16,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:16,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:21:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:16,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:21:16,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:21:16,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231405050] [2024-10-11 21:21:16,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231405050] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:21:16,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:21:16,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:21:16,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089124260] [2024-10-11 21:21:16,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:21:16,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:21:16,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:21:16,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:21:16,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:21:16,239 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) [2024-10-11 21:21:16,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:21:16,265 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2024-10-11 21:21:16,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:21:16,265 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 [2024-10-11 21:21:16,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:21:16,266 INFO L225 Difference]: With dead ends: 51 [2024-10-11 21:21:16,266 INFO L226 Difference]: Without dead ends: 50 [2024-10-11 21:21:16,266 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 [2024-10-11 21:21:16,267 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 [2024-10-11 21:21:16,268 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] [2024-10-11 21:21:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-11 21:21:16,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-11 21:21:16,275 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) [2024-10-11 21:21:16,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2024-10-11 21:21:16,276 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 67 transitions. Word has length 21 [2024-10-11 21:21:16,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:21:16,277 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 67 transitions. [2024-10-11 21:21:16,277 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) [2024-10-11 21:21:16,277 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2024-10-11 21:21:16,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-11 21:21:16,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:21:16,279 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] [2024-10-11 21:21:16,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 21:21:16,279 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)] === [2024-10-11 21:21:16,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:21:16,280 INFO L85 PathProgramCache]: Analyzing trace with hash 669381355, now seen corresponding path program 1 times [2024-10-11 21:21:16,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:21:16,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910877267] [2024-10-11 21:21:16,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:16,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:21:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:16,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:21:16,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:21:16,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910877267] [2024-10-11 21:21:16,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910877267] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:21:16,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:21:16,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:21:16,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011686108] [2024-10-11 21:21:16,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:21:16,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:21:16,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:21:16,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:21:16,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:21:16,430 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) [2024-10-11 21:21:16,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:21:16,506 INFO L93 Difference]: Finished difference Result 76 states and 103 transitions. [2024-10-11 21:21:16,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:21:16,507 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 [2024-10-11 21:21:16,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:21:16,508 INFO L225 Difference]: With dead ends: 76 [2024-10-11 21:21:16,508 INFO L226 Difference]: Without dead ends: 74 [2024-10-11 21:21:16,508 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 [2024-10-11 21:21:16,509 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 42 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2024-10-11 21:21:16,509 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] [2024-10-11 21:21:16,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-11 21:21:16,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-10-11 21:21:16,516 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) [2024-10-11 21:21:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 101 transitions. [2024-10-11 21:21:16,517 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 101 transitions. Word has length 22 [2024-10-11 21:21:16,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:21:16,517 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 101 transitions. [2024-10-11 21:21:16,518 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) [2024-10-11 21:21:16,518 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2024-10-11 21:21:16,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 21:21:16,518 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:21:16,518 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:21:16,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 21:21:16,519 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)] === [2024-10-11 21:21:16,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:21:16,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1609584685, now seen corresponding path program 1 times [2024-10-11 21:21:16,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:21:16,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628195576] [2024-10-11 21:21:16,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:16,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:21:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:16,622 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:21:16,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:21:16,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628195576] [2024-10-11 21:21:16,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628195576] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:21:16,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:21:16,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 21:21:16,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187495794] [2024-10-11 21:21:16,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:21:16,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:21:16,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:21:16,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:21:16,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:21:16,624 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) [2024-10-11 21:21:16,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:21:16,652 INFO L93 Difference]: Finished difference Result 129 states and 177 transitions. [2024-10-11 21:21:16,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:21:16,652 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 [2024-10-11 21:21:16,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:21:16,653 INFO L225 Difference]: With dead ends: 129 [2024-10-11 21:21:16,653 INFO L226 Difference]: Without dead ends: 78 [2024-10-11 21:21:16,654 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 [2024-10-11 21:21:16,655 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 [2024-10-11 21:21:16,655 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] [2024-10-11 21:21:16,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-11 21:21:16,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-10-11 21:21:16,663 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) [2024-10-11 21:21:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 105 transitions. [2024-10-11 21:21:16,665 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 105 transitions. Word has length 28 [2024-10-11 21:21:16,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:21:16,665 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 105 transitions. [2024-10-11 21:21:16,665 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) [2024-10-11 21:21:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2024-10-11 21:21:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-11 21:21:16,667 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:21:16,667 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] [2024-10-11 21:21:16,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 21:21:16,667 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)] === [2024-10-11 21:21:16,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:21:16,668 INFO L85 PathProgramCache]: Analyzing trace with hash 825339886, now seen corresponding path program 1 times [2024-10-11 21:21:16,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:21:16,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120232855] [2024-10-11 21:21:16,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:16,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:21:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:16,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 21:21:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:21:16,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:21:16,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120232855] [2024-10-11 21:21:16,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120232855] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:21:16,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185216788] [2024-10-11 21:21:16,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:16,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:21:16,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:21:16,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:21:16,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 21:21:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:16,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:21:16,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:21:17,092 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:21:17,092 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:21:17,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185216788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:21:17,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:21:17,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2024-10-11 21:21:17,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943321785] [2024-10-11 21:21:17,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:21:17,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:21:17,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:21:17,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:21:17,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:21:17,099 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) [2024-10-11 21:21:17,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:21:17,203 INFO L93 Difference]: Finished difference Result 126 states and 176 transitions. [2024-10-11 21:21:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:21:17,204 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 [2024-10-11 21:21:17,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:21:17,206 INFO L225 Difference]: With dead ends: 126 [2024-10-11 21:21:17,206 INFO L226 Difference]: Without dead ends: 125 [2024-10-11 21:21:17,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:21:17,211 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 [2024-10-11 21:21:17,211 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] [2024-10-11 21:21:17,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-11 21:21:17,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 77. [2024-10-11 21:21:17,227 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) [2024-10-11 21:21:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2024-10-11 21:21:17,228 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 34 [2024-10-11 21:21:17,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:21:17,228 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2024-10-11 21:21:17,228 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) [2024-10-11 21:21:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2024-10-11 21:21:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 21:21:17,232 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:21:17,233 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] [2024-10-11 21:21:17,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 21:21:17,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:21:17,434 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)] === [2024-10-11 21:21:17,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:21:17,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1350399542, now seen corresponding path program 1 times [2024-10-11 21:21:17,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:21:17,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101176231] [2024-10-11 21:21:17,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:17,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:21:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:17,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 21:21:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:17,669 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:21:17,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:21:17,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101176231] [2024-10-11 21:21:17,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101176231] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:21:17,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072319665] [2024-10-11 21:21:17,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:17,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:21:17,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:21:17,671 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:21:17,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 21:21:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:17,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 21:21:17,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:21:17,881 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:21:17,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:21:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:21:18,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072319665] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:21:18,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:21:18,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-11 21:21:18,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262713409] [2024-10-11 21:21:18,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:21:18,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 21:21:18,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:21:18,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 21:21:18,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:21:18,085 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) [2024-10-11 21:21:18,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:21:18,268 INFO L93 Difference]: Finished difference Result 258 states and 358 transitions. [2024-10-11 21:21:18,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 21:21:18,269 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 [2024-10-11 21:21:18,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:21:18,270 INFO L225 Difference]: With dead ends: 258 [2024-10-11 21:21:18,270 INFO L226 Difference]: Without dead ends: 204 [2024-10-11 21:21:18,271 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 [2024-10-11 21:21:18,271 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 [2024-10-11 21:21:18,271 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] [2024-10-11 21:21:18,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-10-11 21:21:18,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 131. [2024-10-11 21:21:18,279 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) [2024-10-11 21:21:18,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 176 transitions. [2024-10-11 21:21:18,280 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 176 transitions. Word has length 43 [2024-10-11 21:21:18,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:21:18,280 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 176 transitions. [2024-10-11 21:21:18,280 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) [2024-10-11 21:21:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 176 transitions. [2024-10-11 21:21:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 21:21:18,282 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:21:18,282 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] [2024-10-11 21:21:18,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 21:21:18,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:21:18,487 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)] === [2024-10-11 21:21:18,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:21:18,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1824124512, now seen corresponding path program 1 times [2024-10-11 21:21:18,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:21:18,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594966735] [2024-10-11 21:21:18,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:18,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:21:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:18,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 21:21:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:18,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:21:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:18,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 21:21:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:18,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 21:21:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:18,850 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 21:21:18,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:21:18,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594966735] [2024-10-11 21:21:18,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594966735] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:21:18,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771321602] [2024-10-11 21:21:18,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:18,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:21:18,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:21:18,853 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:21:18,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 21:21:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:19,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 21:21:19,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:21:19,154 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 21:21:19,155 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:21:19,434 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:21:19,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771321602] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:21:19,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:21:19,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 9] total 17 [2024-10-11 21:21:19,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851847796] [2024-10-11 21:21:19,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:21:19,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-11 21:21:19,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:21:19,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-11 21:21:19,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=205, Unknown=0, NotChecked=0, Total=342 [2024-10-11 21:21:19,437 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) [2024-10-11 21:21:19,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:21:19,913 INFO L93 Difference]: Finished difference Result 621 states and 864 transitions. [2024-10-11 21:21:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-11 21:21:19,916 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 [2024-10-11 21:21:19,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:21:19,919 INFO L225 Difference]: With dead ends: 621 [2024-10-11 21:21:19,919 INFO L226 Difference]: Without dead ends: 570 [2024-10-11 21:21:19,925 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 [2024-10-11 21:21:19,926 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 [2024-10-11 21:21:19,926 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] [2024-10-11 21:21:19,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-10-11 21:21:19,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 318. [2024-10-11 21:21:19,970 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) [2024-10-11 21:21:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 427 transitions. [2024-10-11 21:21:19,972 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 427 transitions. Word has length 98 [2024-10-11 21:21:19,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:21:19,972 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 427 transitions. [2024-10-11 21:21:19,972 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) [2024-10-11 21:21:19,973 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 427 transitions. [2024-10-11 21:21:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-11 21:21:19,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:21:19,994 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] [2024-10-11 21:21:20,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 21:21:20,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:21:20,199 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)] === [2024-10-11 21:21:20,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:21:20,200 INFO L85 PathProgramCache]: Analyzing trace with hash 2093252672, now seen corresponding path program 2 times [2024-10-11 21:21:20,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:21:20,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791665144] [2024-10-11 21:21:20,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:20,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:21:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:21,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 21:21:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:21,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:21:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:21,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 21:21:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:21,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 21:21:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:21,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 21:21:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:21,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 21:21:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:21,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 21:21:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:21,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 21:21:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:21,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 21:21:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:21,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 21:21:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 885 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 21:21:21,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:21:21,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791665144] [2024-10-11 21:21:21,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791665144] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:21:21,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73489182] [2024-10-11 21:21:21,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:21:21,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:21:21,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:21:21,491 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:21:21,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 21:21:21,667 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 21:21:21,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:21:21,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 21:21:21,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:21:21,735 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 [2024-10-11 21:21:21,738 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 [2024-10-11 21:21:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2024-10-11 21:21:21,755 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:21:21,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73489182] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:21:21,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:21:21,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 17 [2024-10-11 21:21:21,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241978747] [2024-10-11 21:21:21,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:21:21,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:21:21,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:21:21,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:21:21,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2024-10-11 21:21:21,757 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) [2024-10-11 21:21:21,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:21:21,813 INFO L93 Difference]: Finished difference Result 670 states and 900 transitions. [2024-10-11 21:21:21,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:21:21,814 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 [2024-10-11 21:21:21,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:21:21,815 INFO L225 Difference]: With dead ends: 670 [2024-10-11 21:21:21,815 INFO L226 Difference]: Without dead ends: 354 [2024-10-11 21:21:21,816 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 [2024-10-11 21:21:21,817 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 [2024-10-11 21:21:21,817 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] [2024-10-11 21:21:21,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-10-11 21:21:21,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 342. [2024-10-11 21:21:21,828 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) [2024-10-11 21:21:21,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 451 transitions. [2024-10-11 21:21:21,829 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 451 transitions. Word has length 224 [2024-10-11 21:21:21,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:21:21,830 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 451 transitions. [2024-10-11 21:21:21,830 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) [2024-10-11 21:21:21,830 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 451 transitions. [2024-10-11 21:21:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-11 21:21:21,832 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:21:21,832 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] [2024-10-11 21:21:21,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 21:21:22,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 21:21:22,037 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)] === [2024-10-11 21:21:22,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:21:22,037 INFO L85 PathProgramCache]: Analyzing trace with hash -712261994, now seen corresponding path program 1 times [2024-10-11 21:21:22,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:21:22,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335448178] [2024-10-11 21:21:22,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:22,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:21:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:23,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 21:21:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:23,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:21:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:23,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 21:21:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:23,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 21:21:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:23,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 21:21:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:23,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 21:21:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:23,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 21:21:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:23,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 21:21:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:23,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 21:21:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:23,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 21:21:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 885 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 21:21:23,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:21:23,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335448178] [2024-10-11 21:21:23,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335448178] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:21:23,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445981821] [2024-10-11 21:21:23,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:23,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:21:23,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:21:23,496 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:21:23,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 21:21:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:23,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 1135 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-11 21:21:23,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:21:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 885 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 21:21:24,018 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:21:24,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 1065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:21:24,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445981821] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:21:24,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:21:24,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 21] total 35 [2024-10-11 21:21:24,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780743515] [2024-10-11 21:21:24,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:21:24,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-11 21:21:24,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:21:24,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-11 21:21:24,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=802, Unknown=0, NotChecked=0, Total=1332 [2024-10-11 21:21:24,715 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) [2024-10-11 21:21:26,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:21:26,034 INFO L93 Difference]: Finished difference Result 2355 states and 3178 transitions. [2024-10-11 21:21:26,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-10-11 21:21:26,037 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 [2024-10-11 21:21:26,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:21:26,044 INFO L225 Difference]: With dead ends: 2355 [2024-10-11 21:21:26,048 INFO L226 Difference]: Without dead ends: 2158 [2024-10-11 21:21:26,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 451 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1354 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=2311, Invalid=4009, Unknown=0, NotChecked=0, Total=6320 [2024-10-11 21:21:26,050 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1313 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:21:26,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1313 Valid, 554 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:21:26,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2024-10-11 21:21:26,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 702. [2024-10-11 21:21:26,078 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) [2024-10-11 21:21:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 919 transitions. [2024-10-11 21:21:26,082 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 919 transitions. Word has length 224 [2024-10-11 21:21:26,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:21:26,083 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 919 transitions. [2024-10-11 21:21:26,083 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) [2024-10-11 21:21:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 919 transitions. [2024-10-11 21:21:26,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2024-10-11 21:21:26,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:21:26,088 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] [2024-10-11 21:21:26,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 21:21:26,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:21:26,294 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)] === [2024-10-11 21:21:26,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:21:26,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1667524266, now seen corresponding path program 2 times [2024-10-11 21:21:26,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:21:26,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345409866] [2024-10-11 21:21:26,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:21:26,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:21:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 21:21:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:21:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 21:21:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 21:21:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 21:21:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 21:21:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 21:21:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 21:21:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 21:21:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 21:21:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 21:21:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-11 21:21:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 21:21:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-11 21:21:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 21:21:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 21:21:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-10-11 21:21:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-11 21:21:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-11 21:21:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-11 21:21:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2024-10-11 21:21:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-11 21:21:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:21:29,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 0 proven. 4191 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 21:21:29,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:21:29,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345409866] [2024-10-11 21:21:29,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345409866] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:21:29,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003075126] [2024-10-11 21:21:29,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:21:29,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:21:29,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:21:29,884 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:21:29,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 21:21:30,182 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 21:21:30,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:21:30,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-11 21:21:30,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:21:36,838 INFO L349 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2024-10-11 21:21:36,839 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 [2024-10-11 21:21:36,860 INFO L349 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2024-10-11 21:21:36,860 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 [2024-10-11 21:21:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 154 proven. 22 refuted. 0 times theorem prover too weak. 4939 trivial. 0 not checked. [2024-10-11 21:21:36,883 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:21:37,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003075126] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:21:37,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:21:37,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 4] total 28 [2024-10-11 21:21:37,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183796619] [2024-10-11 21:21:37,044 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:21:37,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-11 21:21:37,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:21:37,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-11 21:21:37,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=673, Unknown=0, NotChecked=0, Total=992 [2024-10-11 21:21:37,046 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) [2024-10-11 21:21:37,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:21:37,138 INFO L93 Difference]: Finished difference Result 712 states and 933 transitions. [2024-10-11 21:21:37,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:21:37,139 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 [2024-10-11 21:21:37,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:21:37,139 INFO L225 Difference]: With dead ends: 712 [2024-10-11 21:21:37,139 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 21:21:37,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 549 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=409, Invalid=781, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 21:21:37,141 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 [2024-10-11 21:21:37,142 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] [2024-10-11 21:21:37,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 21:21:37,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 21:21:37,143 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) [2024-10-11 21:21:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 21:21:37,144 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 476 [2024-10-11 21:21:37,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:21:37,144 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 21:21:37,144 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) [2024-10-11 21:21:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 21:21:37,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 21:21:37,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-11 21:21:37,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-11 21:21:37,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-11 21:21:37,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_module_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-11 21:21:37,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 21:21:37,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 21:21:37,350 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 21:21:37,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 21:21:37,370 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 21:21:37,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 09:21:37 BoogieIcfgContainer [2024-10-11 21:21:37,387 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 21:21:37,391 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 21:21:37,391 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 21:21:37,392 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 21:21:37,392 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:21:15" (3/4) ... [2024-10-11 21:21:37,393 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 21:21:37,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2024-10-11 21:21:37,399 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2024-10-11 21:21:37,403 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2024-10-11 21:21:37,406 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-11 21:21:37,406 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 21:21:37,407 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 21:21:37,513 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 21:21:37,514 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 21:21:37,514 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 21:21:37,514 INFO L158 Benchmark]: Toolchain (without parser) took 23261.49ms. Allocated memory was 182.5MB in the beginning and 1.0GB in the end (delta: 817.9MB). Free memory was 106.8MB in the beginning and 683.1MB in the end (delta: -576.3MB). Peak memory consumption was 243.2MB. Max. memory is 16.1GB. [2024-10-11 21:21:37,515 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory was 142.1MB in the beginning and 142.0MB in the end (delta: 94.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 21:21:37,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.08ms. Allocated memory is still 182.5MB. Free memory was 106.5MB in the beginning and 80.7MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-11 21:21:37,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.18ms. Allocated memory is still 182.5MB. Free memory was 80.7MB in the beginning and 78.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 21:21:37,515 INFO L158 Benchmark]: Boogie Preprocessor took 69.07ms. Allocated memory is still 182.5MB. Free memory was 78.2MB in the beginning and 74.6MB in the end (delta: 3.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 21:21:37,515 INFO L158 Benchmark]: RCFGBuilder took 527.55ms. Allocated memory is still 182.5MB. Free memory was 74.6MB in the beginning and 137.2MB in the end (delta: -62.6MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2024-10-11 21:21:37,516 INFO L158 Benchmark]: TraceAbstraction took 21754.82ms. Allocated memory was 182.5MB in the beginning and 1.0GB in the end (delta: 817.9MB). Free memory was 137.2MB in the beginning and 690.4MB in the end (delta: -553.2MB). Peak memory consumption was 265.5MB. Max. memory is 16.1GB. [2024-10-11 21:21:37,516 INFO L158 Benchmark]: Witness Printer took 122.58ms. Allocated memory is still 1.0GB. Free memory was 690.4MB in the beginning and 683.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 21:21:37,517 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory was 142.1MB in the beginning and 142.0MB in the end (delta: 94.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.08ms. Allocated memory is still 182.5MB. Free memory was 106.5MB in the beginning and 80.7MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.18ms. Allocated memory is still 182.5MB. Free memory was 80.7MB in the beginning and 78.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.07ms. Allocated memory is still 182.5MB. Free memory was 78.2MB in the beginning and 74.6MB in the end (delta: 3.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 527.55ms. Allocated memory is still 182.5MB. Free memory was 74.6MB in the beginning and 137.2MB in the end (delta: -62.6MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21754.82ms. Allocated memory was 182.5MB in the beginning and 1.0GB in the end (delta: 817.9MB). Free memory was 137.2MB in the beginning and 690.4MB in the end (delta: -553.2MB). Peak memory consumption was 265.5MB. Max. memory is 16.1GB. * Witness Printer took 122.58ms. Allocated memory is still 1.0GB. Free memory was 690.4MB in the beginning and 683.1MB 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: 21.7s, OverallIterations: 10, TraceHistogramMax: 23, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1966 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1966 mSDsluCounter, 1500 SdHoareTripleChecker+Invalid, 0.9s 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, 2.1s 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 1841 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 15.8s 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! [2024-10-11 21:21:37,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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