./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48b194ce99c1fa112b5c4d4ed6cc0216b9fbb33f6f6efd57d62e9c27b1f7eb5c --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:07:40,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:07:41,038 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:07:41,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:07:41,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:07:41,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:07:41,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:07:41,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:07:41,065 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:07:41,075 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:07:41,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:07:41,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:07:41,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:07:41,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:07:41,077 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:07:41,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:07:41,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:07:41,078 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:07:41,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:07:41,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:07:41,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:07:41,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:07:41,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:07:41,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:07:41,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:07:41,080 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:07:41,080 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:07:41,080 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:07:41,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:07:41,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:07:41,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:07:41,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:07:41,081 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:07:41,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:07:41,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:07:41,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:07:41,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:07:41,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:07:41,082 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:07:41,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:07:41,083 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:07:41,083 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:07:41,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:07:41,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:07:41,083 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48b194ce99c1fa112b5c4d4ed6cc0216b9fbb33f6f6efd57d62e9c27b1f7eb5c [2024-11-09 11:07:41,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:07:41,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:07:41,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:07:41,314 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:07:41,314 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:07:41,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2024-11-09 11:07:42,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:07:42,868 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:07:42,872 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2024-11-09 11:07:42,887 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c66ea2e20/17ca211aac284deaa2a22e6b94227c45/FLAG0d5232ba6 [2024-11-09 11:07:42,898 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c66ea2e20/17ca211aac284deaa2a22e6b94227c45 [2024-11-09 11:07:42,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:07:42,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:07:42,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:07:42,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:07:42,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:07:42,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:07:42" (1/1) ... [2024-11-09 11:07:42,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e4baaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:42, skipping insertion in model container [2024-11-09 11:07:42,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:07:42" (1/1) ... [2024-11-09 11:07:42,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:07:43,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:07:43,213 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:07:43,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:07:43,307 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:07:43,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43 WrapperNode [2024-11-09 11:07:43,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:07:43,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:07:43,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:07:43,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:07:43,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43" (1/1) ... [2024-11-09 11:07:43,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43" (1/1) ... [2024-11-09 11:07:43,390 INFO L138 Inliner]: procedures = 38, calls = 67, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 843 [2024-11-09 11:07:43,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:07:43,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:07:43,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:07:43,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:07:43,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43" (1/1) ... [2024-11-09 11:07:43,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43" (1/1) ... [2024-11-09 11:07:43,436 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43" (1/1) ... [2024-11-09 11:07:43,464 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:07:43,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43" (1/1) ... [2024-11-09 11:07:43,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43" (1/1) ... [2024-11-09 11:07:43,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43" (1/1) ... [2024-11-09 11:07:43,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43" (1/1) ... [2024-11-09 11:07:43,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43" (1/1) ... [2024-11-09 11:07:43,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43" (1/1) ... [2024-11-09 11:07:43,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:07:43,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:07:43,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:07:43,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:07:43,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43" (1/1) ... [2024-11-09 11:07:43,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:07:43,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:43,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:07:43,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:07:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:07:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2024-11-09 11:07:43,599 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2024-11-09 11:07:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2024-11-09 11:07:43,600 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2024-11-09 11:07:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2024-11-09 11:07:43,600 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2024-11-09 11:07:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2024-11-09 11:07:43,600 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2024-11-09 11:07:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2024-11-09 11:07:43,602 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2024-11-09 11:07:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2024-11-09 11:07:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2024-11-09 11:07:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:07:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2024-11-09 11:07:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2024-11-09 11:07:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2024-11-09 11:07:43,604 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2024-11-09 11:07:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2024-11-09 11:07:43,604 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2024-11-09 11:07:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:07:43,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:07:43,766 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:07:43,767 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:07:43,772 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 11:07:43,841 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false;havoc ~tmp_ndt_7~0; [2024-11-09 11:07:43,842 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2024-11-09 11:07:43,844 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 11:07:43,876 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false;havoc ~tmp_ndt_10~0; [2024-11-09 11:07:43,876 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2024-11-09 11:07:43,942 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 11:07:43,946 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 11:07:43,956 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 11:07:44,284 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2024-11-09 11:07:44,285 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2024-11-09 11:07:44,285 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2024-11-09 11:07:44,285 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2024-11-09 11:07:44,285 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2024-11-09 11:07:44,285 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2024-11-09 11:07:44,286 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 11:07:44,307 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2024-11-09 11:07:44,307 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2024-11-09 11:07:44,392 INFO L? ?]: Removed 325 outVars from TransFormulas that were not future-live. [2024-11-09 11:07:44,392 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:07:44,409 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:07:44,409 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:07:44,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:07:44 BoogieIcfgContainer [2024-11-09 11:07:44,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:07:44,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:07:44,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:07:44,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:07:44,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:07:42" (1/3) ... [2024-11-09 11:07:44,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b9945e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:07:44, skipping insertion in model container [2024-11-09 11:07:44,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:43" (2/3) ... [2024-11-09 11:07:44,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b9945e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:07:44, skipping insertion in model container [2024-11-09 11:07:44,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:07:44" (3/3) ... [2024-11-09 11:07:44,416 INFO L112 eAbstractionObserver]: Analyzing ICFG diskperf_simpl1.cil.c [2024-11-09 11:07:44,428 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:07:44,428 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2024-11-09 11:07:44,485 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:07:44,490 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;@2fbcd44b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:07:44,491 INFO L334 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2024-11-09 11:07:44,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 322 states, 230 states have (on average 1.5434782608695652) internal successors, (355), 284 states have internal predecessors, (355), 44 states have call successors, (44), 9 states have call predecessors, (44), 9 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-09 11:07:44,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 11:07:44,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:44,501 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:44,501 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [DiskPerfForwardIrpSynchronousErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, DiskPerfForwardIrpSynchronousErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 36 more)] === [2024-11-09 11:07:44,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:44,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1303486554, now seen corresponding path program 1 times [2024-11-09 11:07:44,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:44,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313750485] [2024-11-09 11:07:44,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:44,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:44,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:07:44,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:44,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313750485] [2024-11-09 11:07:44,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313750485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:44,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:44,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:07:44,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351148552] [2024-11-09 11:07:44,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:44,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:07:44,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:44,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:07:44,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:07:44,832 INFO L87 Difference]: Start difference. First operand has 322 states, 230 states have (on average 1.5434782608695652) internal successors, (355), 284 states have internal predecessors, (355), 44 states have call successors, (44), 9 states have call predecessors, (44), 9 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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) [2024-11-09 11:07:44,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:44,920 INFO L93 Difference]: Finished difference Result 574 states and 811 transitions. [2024-11-09 11:07:44,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:07:44,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 [2024-11-09 11:07:44,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:44,935 INFO L225 Difference]: With dead ends: 574 [2024-11-09 11:07:44,936 INFO L226 Difference]: Without dead ends: 221 [2024-11-09 11:07:44,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:07:44,958 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 17 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:44,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1236 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:07:44,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-09 11:07:45,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-09 11:07:45,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 155 states have (on average 1.4387096774193548) internal successors, (223), 198 states have internal predecessors, (223), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 11:07:45,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 261 transitions. [2024-11-09 11:07:45,055 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 261 transitions. Word has length 13 [2024-11-09 11:07:45,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:45,056 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 261 transitions. [2024-11-09 11:07:45,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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) [2024-11-09 11:07:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 261 transitions. [2024-11-09 11:07:45,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:07:45,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:45,059 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:45,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:07:45,059 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [DiskPerfForwardIrpSynchronousErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, DiskPerfForwardIrpSynchronousErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 36 more)] === [2024-11-09 11:07:45,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:45,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1753377281, now seen corresponding path program 1 times [2024-11-09 11:07:45,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:45,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665246387] [2024-11-09 11:07:45,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:45,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 11:07:45,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 11:07:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 11:07:45,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 11:07:45,154 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 11:07:45,156 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 38 remaining) [2024-11-09 11:07:45,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfForwardIrpSynchronousErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 38 remaining) [2024-11-09 11:07:45,160 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfForwardIrpSynchronousErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 38 remaining) [2024-11-09 11:07:45,160 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfForwardIrpSynchronousErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 38 remaining) [2024-11-09 11:07:45,160 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfForwardIrpSynchronousErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 38 remaining) [2024-11-09 11:07:45,161 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 38 remaining) [2024-11-09 11:07:45,161 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 38 remaining) [2024-11-09 11:07:45,161 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 38 remaining) [2024-11-09 11:07:45,161 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 38 remaining) [2024-11-09 11:07:45,161 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 38 remaining) [2024-11-09 11:07:45,161 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 38 remaining) [2024-11-09 11:07:45,161 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 38 remaining) [2024-11-09 11:07:45,161 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 38 remaining) [2024-11-09 11:07:45,161 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 38 remaining) [2024-11-09 11:07:45,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 38 remaining) [2024-11-09 11:07:45,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 38 remaining) [2024-11-09 11:07:45,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 38 remaining) [2024-11-09 11:07:45,163 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 38 remaining) [2024-11-09 11:07:45,163 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 38 remaining) [2024-11-09 11:07:45,163 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 38 remaining) [2024-11-09 11:07:45,163 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 38 remaining) [2024-11-09 11:07:45,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 38 remaining) [2024-11-09 11:07:45,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 38 remaining) [2024-11-09 11:07:45,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 38 remaining) [2024-11-09 11:07:45,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 38 remaining) [2024-11-09 11:07:45,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 38 remaining) [2024-11-09 11:07:45,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 38 remaining) [2024-11-09 11:07:45,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 38 remaining) [2024-11-09 11:07:45,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 38 remaining) [2024-11-09 11:07:45,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 38 remaining) [2024-11-09 11:07:45,167 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 38 remaining) [2024-11-09 11:07:45,167 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 38 remaining) [2024-11-09 11:07:45,167 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 38 remaining) [2024-11-09 11:07:45,167 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 38 remaining) [2024-11-09 11:07:45,167 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 38 remaining) [2024-11-09 11:07:45,168 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 38 remaining) [2024-11-09 11:07:45,168 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 38 remaining) [2024-11-09 11:07:45,168 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 38 remaining) [2024-11-09 11:07:45,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:07:45,171 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 11:07:45,204 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 11:07:45,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:07:45 BoogieIcfgContainer [2024-11-09 11:07:45,206 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 11:07:45,207 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 11:07:45,207 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 11:07:45,207 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 11:07:45,208 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:07:44" (3/4) ... [2024-11-09 11:07:45,208 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 11:07:45,264 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 11:07:45,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 11:07:45,265 INFO L158 Benchmark]: Toolchain (without parser) took 2363.90ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 76.7MB in the beginning and 118.3MB in the end (delta: -41.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-09 11:07:45,265 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 148.9MB. Free memory was 112.7MB in the beginning and 112.4MB in the end (delta: 291.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:07:45,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.96ms. Allocated memory is still 148.9MB. Free memory was 76.7MB in the beginning and 53.2MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 11:07:45,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.08ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 52.8MB in the beginning and 166.0MB in the end (delta: -113.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-09 11:07:45,266 INFO L158 Benchmark]: Boogie Preprocessor took 127.96ms. Allocated memory is still 199.2MB. Free memory was 166.0MB in the beginning and 161.0MB in the end (delta: 5.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-09 11:07:45,266 INFO L158 Benchmark]: RCFGBuilder took 889.79ms. Allocated memory is still 199.2MB. Free memory was 161.0MB in the beginning and 95.0MB in the end (delta: 66.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-09 11:07:45,266 INFO L158 Benchmark]: TraceAbstraction took 795.30ms. Allocated memory is still 199.2MB. Free memory was 93.9MB in the beginning and 122.8MB in the end (delta: -28.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:07:45,267 INFO L158 Benchmark]: Witness Printer took 57.82ms. Allocated memory is still 199.2MB. Free memory was 122.8MB in the beginning and 118.3MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 11:07:45,268 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 148.9MB. Free memory was 112.7MB in the beginning and 112.4MB in the end (delta: 291.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.96ms. Allocated memory is still 148.9MB. Free memory was 76.7MB in the beginning and 53.2MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.08ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 52.8MB in the beginning and 166.0MB in the end (delta: -113.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.96ms. Allocated memory is still 199.2MB. Free memory was 166.0MB in the beginning and 161.0MB in the end (delta: 5.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * RCFGBuilder took 889.79ms. Allocated memory is still 199.2MB. Free memory was 161.0MB in the beginning and 95.0MB in the end (delta: 66.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * TraceAbstraction took 795.30ms. Allocated memory is still 199.2MB. Free memory was 93.9MB in the beginning and 122.8MB in the end (delta: -28.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 57.82ms. Allocated memory is still 199.2MB. Free memory was 122.8MB in the beginning and 118.3MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 427]: integer overflow possible integer overflow possible We found a FailurePath: [L31] int s ; [L32] int UNLOADED ; [L33] int NP ; [L34] int DC ; [L35] int SKIP1 ; [L36] int SKIP2 ; [L37] int MPR1 ; [L38] int MPR3 ; [L39] int IPC ; [L40] int pended ; [L41] int compFptr ; [L42] int compRegistered ; [L43] int lowerDriverReturn ; [L44] int setEventCalled ; [L45] int customIrp ; [L46] int myStatus ; [L47] int routine ; [L48] int pirp ; [L49] int Executive ; [L50] int KernelMode ; VAL [DC=0, Executive=0, IPC=0, KernelMode=0, MPR1=0, MPR3=0, NP=0, SKIP1=0, SKIP2=0, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, routine=0, s=0, setEventCalled=0] [L648] int d = __VERIFIER_nondet_int() ; [L649] int status = __VERIFIER_nondet_int() ; [L650] int we_should_unload = __VERIFIER_nondet_int() ; [L651] int irp = __VERIFIER_nondet_int() ; [L652] int pirp__IoStatus__Status ; [L653] int irp_choice = __VERIFIER_nondet_int() ; [L654] int devobj = __VERIFIER_nondet_int() ; [L655] int __cil_tmp9 ; [L657] s = 0 [L658] UNLOADED = 0 [L659] NP = 0 [L660] DC = 0 [L661] SKIP1 = 0 [L662] SKIP2 = 0 [L663] MPR1 = 0 [L664] MPR3 = 0 [L665] IPC = 0 [L666] pended = 0 [L667] compFptr = 0 [L668] compRegistered = 0 [L669] lowerDriverReturn = 0 [L670] setEventCalled = 0 [L671] customIrp = 0 [L672] myStatus = 0 [L673] routine = 0 [L674] pirp = 0 [L675] Executive = 0 [L676] KernelMode = 0 [L680] pirp = irp [L681] CALL _BLAST_init() [L64] UNLOADED = 0 [L65] NP = 1 [L66] DC = 2 [L67] SKIP1 = 3 [L68] SKIP2 = 4 [L69] MPR1 = 5 [L70] MPR3 = 6 [L71] IPC = 7 [L72] s = UNLOADED [L73] pended = 0 [L74] compFptr = 0 [L75] compRegistered = 0 [L76] lowerDriverReturn = 0 [L77] setEventCalled = 0 [L78] customIrp = 0 VAL [DC=2, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, routine=0, s=0, setEventCalled=0] [L681] RET _BLAST_init() [L683] COND TRUE status >= 0 [L684] s = NP [L685] customIrp = 0 [L686] setEventCalled = customIrp [L687] lowerDriverReturn = setEventCalled [L688] compRegistered = lowerDriverReturn [L689] compFptr = compRegistered [L690] pended = compFptr [L691] pirp__IoStatus__Status = 0 [L692] myStatus = 0 VAL [DC=2, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, d=0, devobj=0, irp_choice=0, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, status=0, we_should_unload=0] [L693] COND TRUE irp_choice == 0 [L694] pirp__IoStatus__Status = -1073741637 [L695] myStatus = -1073741637 VAL [DC=2, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, d=0, devobj=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, status=0, we_should_unload=0] [L698] CALL stub_driver_init() [L637] s = NP [L638] customIrp = 0 [L639] setEventCalled = customIrp [L640] lowerDriverReturn = setEventCalled [L641] compRegistered = lowerDriverReturn [L642] compFptr = compRegistered [L643] pended = compFptr VAL [DC=2, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=1, setEventCalled=0] [L698] RET stub_driver_init() [L701] COND FALSE !(status < 0) [L705] int tmp_ndt_1; [L706] tmp_ndt_1 = __VERIFIER_nondet_int() [L707] COND FALSE !(tmp_ndt_1 == 0) [L710] int tmp_ndt_2; [L711] tmp_ndt_2 = __VERIFIER_nondet_int() [L712] COND TRUE tmp_ndt_2 == 2 VAL [DC=2, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, d=0, devobj=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, we_should_unload=0] [L739] CALL DiskPerfDeviceControl(devobj, pirp) [L355] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L356] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L357] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L358] int deviceExtension__TargetDeviceObject = __VERIFIER_nondet_int() ; [L359] int currentIrpStack__Parameters__DeviceIoControl__IoControlCode = __VERIFIER_nondet_int() ; [L360] int currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength = __VERIFIER_nondet_int() ; [L361] int sizeof__DISK_PERFORMANCE = __VERIFIER_nondet_int() ; [L362] int Irp__IoStatus__Information ; [L363] int deviceExtension__DiskCounters = __VERIFIER_nondet_int() ; [L364] int Irp__AssociatedIrp__SystemBuffer = __VERIFIER_nondet_int() ; [L365] int deviceExtension__Processors = __VERIFIER_nondet_int() ; [L366] int totalCounters__QueueDepth ; [L367] int deviceExtension__QueueDepth = __VERIFIER_nondet_int() ; [L368] int Irp__IoStatus__Status ; [L369] int deviceExtension ; [L370] int currentIrpStack ; [L371] int status ; [L372] int i ; [L373] int totalCounters ; [L374] int diskCounters ; [L375] int tmp ; [L376] int __cil_tmp24 ; [L377] int __cil_tmp25 ; [L378] int __cil_tmp26 ; [L381] deviceExtension = DeviceObject__DeviceExtension [L382] currentIrpStack = Irp__Tail__Overlay__CurrentStackLocation [L384] __cil_tmp24 = 32 [L385] __cil_tmp25 = 458752 [L386] __cil_tmp26 = 458784 VAL [DC=2, Executive=0, IPC=7, Irp=0, Irp__AssociatedIrp__SystemBuffer=0, Irp__CurrentLocation=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, __cil_tmp26=458784, compFptr=0, compRegistered=0, currentIrpStack__Parameters__DeviceIoControl__IoControlCode=0, currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength=0, customIrp=0, deviceExtension__DiskCounters=0, deviceExtension__Processors=0, deviceExtension__QueueDepth=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, sizeof__DISK_PERFORMANCE=0] [L387] COND FALSE !(currentIrpStack__Parameters__DeviceIoControl__IoControlCode == __cil_tmp26) [L427] Irp__CurrentLocation ++ VAL [DC=2, Executive=0, IPC=7, Irp=0, Irp__AssociatedIrp__SystemBuffer=0, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength=0, customIrp=0, deviceExtension__DiskCounters=0, deviceExtension__Processors=0, deviceExtension__QueueDepth=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, sizeof__DISK_PERFORMANCE=0] - UnprovableResult [Line: 255]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 255]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 272]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 272]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 410]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 410]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 427]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 428]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 428]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 204]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 204]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 205]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 205]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 229]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 229]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 230]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 230]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 447]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 447]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 448]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 448]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 328]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 328]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 329]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 329]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 330]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 330]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 332]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 332]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 333]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 333]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 334]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 334]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 337]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 337]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 322 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 1236 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 816 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 420 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=322occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-09 11:07:45,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)