./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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/floppy_simpl3.cil-2.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 1fa38cbba4031a56736a5ec3c724b1da0a42c893b0e9010b5807defb3e1b19fa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:34:23,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:34:23,121 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:34:23,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:34:23,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:34:23,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:34:23,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:34:23,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:34:23,169 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:34:23,169 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:34:23,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:34:23,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:34:23,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:34:23,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:34:23,172 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:34:23,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:34:23,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:34:23,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:34:23,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:34:23,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:34:23,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:34:23,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:34:23,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:34:23,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:34:23,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:34:23,176 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:34:23,177 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:34:23,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:34:23,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:34:23,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:34:23,177 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:34:23,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:34:23,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:34:23,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:34:23,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:34:23,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:34:23,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:34:23,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:34:23,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:34:23,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:34:23,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:34:23,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:34:23,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:34:23,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:34:23,181 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa38cbba4031a56736a5ec3c724b1da0a42c893b0e9010b5807defb3e1b19fa [2024-11-10 18:34:23,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:34:23,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:34:23,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:34:23,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:34:23,455 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:34:23,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2024-11-10 18:34:24,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:34:25,164 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:34:25,165 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2024-11-10 18:34:25,178 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f88a1f51/1e8a2965ef184a96b8610b951827c453/FLAG765fb286c [2024-11-10 18:34:25,191 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f88a1f51/1e8a2965ef184a96b8610b951827c453 [2024-11-10 18:34:25,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:34:25,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:34:25,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:34:25,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:34:25,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:34:25,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be4dfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25, skipping insertion in model container [2024-11-10 18:34:25,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:34:25,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:34:25,601 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:34:25,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:34:25,715 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:34:25,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25 WrapperNode [2024-11-10 18:34:25,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:34:25,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:34:25,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:34:25,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:34:25,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,794 INFO L138 Inliner]: procedures = 38, calls = 63, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 1033 [2024-11-10 18:34:25,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:34:25,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:34:25,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:34:25,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:34:25,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,819 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,840 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]. [2024-11-10 18:34:25,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,855 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:34:25,870 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:34:25,871 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:34:25,871 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:34:25,872 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25" (1/1) ... [2024-11-10 18:34:25,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:34:25,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:34:25,926 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) [2024-11-10 18:34:25,930 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 [2024-11-10 18:34:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:34:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2024-11-10 18:34:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2024-11-10 18:34:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2024-11-10 18:34:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2024-11-10 18:34:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2024-11-10 18:34:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2024-11-10 18:34:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2024-11-10 18:34:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2024-11-10 18:34:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:34:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2024-11-10 18:34:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2024-11-10 18:34:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:34:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:34:26,142 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:34:26,144 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:34:26,223 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062: assume false; [2024-11-10 18:34:26,224 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062: assume !false;havoc ~tmp_ndt_9~0; [2024-11-10 18:34:26,224 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062: assume !false;havoc ~tmp_ndt_9~0; [2024-11-10 18:34:26,243 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L911: assume false; [2024-11-10 18:34:26,243 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L911: assume !false;havoc ~tmp_ndt_6~0; [2024-11-10 18:34:26,243 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L911: assume !false;havoc ~tmp_ndt_6~0; [2024-11-10 18:34:26,884 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127: assume false; [2024-11-10 18:34:26,885 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127: assume !false;havoc ZwClose_~tmp_ndt_12~0#1; [2024-11-10 18:34:26,885 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127: assume !false;havoc ZwClose_~tmp_ndt_12~0#1; [2024-11-10 18:34:26,885 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L868: assume false; [2024-11-10 18:34:26,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L868: assume !false;havoc IoQueryDeviceDescription_~tmp_ndt_4~0#1; [2024-11-10 18:34:26,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L868: assume !false;havoc IoQueryDeviceDescription_~tmp_ndt_4~0#1; [2024-11-10 18:34:26,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: assume false; [2024-11-10 18:34:26,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: assume !false; [2024-11-10 18:34:26,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1106: assume false; [2024-11-10 18:34:26,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1106: assume !false;havoc PsCreateSystemThread_~tmp_ndt_11~0#1; [2024-11-10 18:34:26,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1106: assume !false;havoc PsCreateSystemThread_~tmp_ndt_11~0#1; [2024-11-10 18:34:26,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L845: assume false; [2024-11-10 18:34:26,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L845: assume !false;havoc IoDeleteSymbolicLink_~tmp_ndt_3~0#1; [2024-11-10 18:34:26,887 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L845: assume !false;havoc IoDeleteSymbolicLink_~tmp_ndt_3~0#1; [2024-11-10 18:34:26,887 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1084: assume false; [2024-11-10 18:34:26,887 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1084: assume !false;havoc ObReferenceObjectByHandle_~tmp_ndt_10~0#1; [2024-11-10 18:34:26,887 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1084: assume !false;havoc ObReferenceObjectByHandle_~tmp_ndt_10~0#1; [2024-11-10 18:34:26,887 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L890: assume false; [2024-11-10 18:34:26,887 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L890: assume !false;havoc IoRegisterDeviceInterface_~tmp_ndt_5~0#1; [2024-11-10 18:34:26,887 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L890: assume !false;havoc IoRegisterDeviceInterface_~tmp_ndt_5~0#1; [2024-11-10 18:34:26,887 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L824: assume false; [2024-11-10 18:34:26,888 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L824: assume !false;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_2~0#1; [2024-11-10 18:34:26,888 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L824: assume !false;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_2~0#1; [2024-11-10 18:34:26,888 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L232: assume false; [2024-11-10 18:34:26,888 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L232: assume !false; [2024-11-10 18:34:26,930 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L943: havoc ~tmp_ndt_7~0#1; [2024-11-10 18:34:26,931 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L968: assume false; [2024-11-10 18:34:26,931 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L968: assume !false; [2024-11-10 18:34:27,020 INFO L? ?]: Removed 380 outVars from TransFormulas that were not future-live. [2024-11-10 18:34:27,021 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:34:27,053 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:34:27,055 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:34:27,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:34:27 BoogieIcfgContainer [2024-11-10 18:34:27,055 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:34:27,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:34:27,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:34:27,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:34:27,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:34:25" (1/3) ... [2024-11-10 18:34:27,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69bc9c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:34:27, skipping insertion in model container [2024-11-10 18:34:27,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:25" (2/3) ... [2024-11-10 18:34:27,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69bc9c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:34:27, skipping insertion in model container [2024-11-10 18:34:27,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:34:27" (3/3) ... [2024-11-10 18:34:27,065 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-2.c [2024-11-10 18:34:27,084 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:34:27,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2024-11-10 18:34:27,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:34:27,157 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;@6624bca5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:34:27,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-10 18:34:27,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 375 states, 281 states have (on average 1.5124555160142348) internal successors, (425), 352 states have internal predecessors, (425), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 32 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 18:34:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 18:34:27,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:34:27,171 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:34:27,172 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:34:27,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:34:27,179 INFO L85 PathProgramCache]: Analyzing trace with hash 753372488, now seen corresponding path program 1 times [2024-11-10 18:34:27,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:34:27,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337519077] [2024-11-10 18:34:27,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:34:27,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:34:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:34:27,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:34:27,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:34:27,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337519077] [2024-11-10 18:34:27,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337519077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:34:27,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:34:27,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:34:27,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635547579] [2024-11-10 18:34:27,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:34:27,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:34:27,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:34:27,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:34:27,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:34:27,605 INFO L87 Difference]: Start difference. First operand has 375 states, 281 states have (on average 1.5124555160142348) internal successors, (425), 352 states have internal predecessors, (425), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 32 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-10 18:34:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:34:27,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:34:27,628 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 16 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:34:27,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:34:27,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:34:27,632 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-10 18:34:27,637 INFO L158 Benchmark]: Toolchain (without parser) took 2441.95ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 110.2MB in the beginning and 132.8MB in the end (delta: -22.6MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-10 18:34:27,637 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 167.8MB. Free memory was 131.2MB in the beginning and 131.0MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:34:27,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.99ms. Allocated memory is still 167.8MB. Free memory was 109.6MB in the beginning and 86.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 18:34:27,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.94ms. Allocated memory is still 167.8MB. Free memory was 86.5MB in the beginning and 80.9MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 18:34:27,646 INFO L158 Benchmark]: Boogie Preprocessor took 74.90ms. Allocated memory is still 167.8MB. Free memory was 80.9MB in the beginning and 76.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:34:27,646 INFO L158 Benchmark]: IcfgBuilder took 1185.11ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 76.7MB in the beginning and 164.2MB in the end (delta: -87.6MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-10 18:34:27,647 INFO L158 Benchmark]: TraceAbstraction took 578.13ms. Allocated memory is still 237.0MB. Free memory was 164.2MB in the beginning and 132.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-10 18:34:27,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13ms. Allocated memory is still 167.8MB. Free memory was 131.2MB in the beginning and 131.0MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.99ms. Allocated memory is still 167.8MB. Free memory was 109.6MB in the beginning and 86.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.94ms. Allocated memory is still 167.8MB. Free memory was 86.5MB in the beginning and 80.9MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.90ms. Allocated memory is still 167.8MB. Free memory was 80.9MB in the beginning and 76.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1185.11ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 76.7MB in the beginning and 164.2MB in the end (delta: -87.6MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * TraceAbstraction took 578.13ms. Allocated memory is still 237.0MB. Free memory was 164.2MB in the beginning and 132.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 18:34:27,693 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/floppy_simpl3.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.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 1fa38cbba4031a56736a5ec3c724b1da0a42c893b0e9010b5807defb3e1b19fa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:34:29,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:34:30,000 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2024-11-10 18:34:30,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:34:30,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:34:30,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:34:30,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:34:30,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:34:30,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:34:30,038 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:34:30,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:34:30,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:34:30,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:34:30,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:34:30,041 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:34:30,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:34:30,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:34:30,042 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:34:30,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:34:30,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:34:30,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:34:30,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:34:30,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:34:30,050 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:34:30,050 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 18:34:30,050 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:34:30,051 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:34:30,051 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 18:34:30,051 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:34:30,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:34:30,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:34:30,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:34:30,052 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:34:30,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:34:30,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:34:30,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:34:30,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:34:30,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:34:30,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:34:30,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:34:30,054 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 18:34:30,055 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 18:34:30,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:34:30,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:34:30,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:34:30,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:34:30,056 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa38cbba4031a56736a5ec3c724b1da0a42c893b0e9010b5807defb3e1b19fa [2024-11-10 18:34:30,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:34:30,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:34:30,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:34:30,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:34:30,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:34:30,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2024-11-10 18:34:32,019 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:34:32,280 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:34:32,281 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2024-11-10 18:34:32,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f480821b/10b74af9223f4867a7b6d16d0d5f3a3d/FLAG2a2a857fc [2024-11-10 18:34:32,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f480821b/10b74af9223f4867a7b6d16d0d5f3a3d [2024-11-10 18:34:32,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:34:32,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:34:32,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:34:32,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:34:32,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:34:32,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:32,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acde4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32, skipping insertion in model container [2024-11-10 18:34:32,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:32,381 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:34:32,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:34:32,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:34:32,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:34:32,890 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:34:32,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32 WrapperNode [2024-11-10 18:34:32,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:34:32,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:34:32,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:34:32,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:34:32,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:32,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:32,966 INFO L138 Inliner]: procedures = 38, calls = 63, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 950 [2024-11-10 18:34:32,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:34:32,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:34:32,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:34:32,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:34:32,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:32,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:32,990 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:33,012 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]. [2024-11-10 18:34:33,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:33,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:33,028 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:33,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:33,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:33,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:33,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:34:33,045 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:34:33,045 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:34:33,045 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:34:33,046 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32" (1/1) ... [2024-11-10 18:34:33,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:34:33,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:34:33,094 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) [2024-11-10 18:34:33,102 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 [2024-11-10 18:34:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:34:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2024-11-10 18:34:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2024-11-10 18:34:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 18:34:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2024-11-10 18:34:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2024-11-10 18:34:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2024-11-10 18:34:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2024-11-10 18:34:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2024-11-10 18:34:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2024-11-10 18:34:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2024-11-10 18:34:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2024-11-10 18:34:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:34:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:34:33,335 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:34:33,337 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:34:33,426 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062: assume false; [2024-11-10 18:34:33,427 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062: assume !false;havoc ~tmp_ndt_9~0; [2024-11-10 18:34:33,427 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062: assume !false;havoc ~tmp_ndt_9~0; [2024-11-10 18:34:33,440 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L911: assume false; [2024-11-10 18:34:33,441 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L911: assume !false;havoc ~tmp_ndt_6~0; [2024-11-10 18:34:33,441 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L911: assume !false;havoc ~tmp_ndt_6~0; [2024-11-10 18:34:34,116 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127: assume false; [2024-11-10 18:34:34,116 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127: assume !false;havoc ZwClose_~tmp_ndt_12~0#1; [2024-11-10 18:34:34,117 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127: assume !false;havoc ZwClose_~tmp_ndt_12~0#1; [2024-11-10 18:34:34,123 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L868: assume false; [2024-11-10 18:34:34,124 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L868: assume !false;havoc IoQueryDeviceDescription_~tmp_ndt_4~0#1; [2024-11-10 18:34:34,124 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L868: assume !false;havoc IoQueryDeviceDescription_~tmp_ndt_4~0#1; [2024-11-10 18:34:34,124 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: assume false; [2024-11-10 18:34:34,124 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: assume !false; [2024-11-10 18:34:34,124 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1106: assume false; [2024-11-10 18:34:34,125 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1106: assume !false;havoc PsCreateSystemThread_~tmp_ndt_11~0#1; [2024-11-10 18:34:34,125 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1106: assume !false;havoc PsCreateSystemThread_~tmp_ndt_11~0#1; [2024-11-10 18:34:34,125 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L845: assume false; [2024-11-10 18:34:34,125 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L845: assume !false;havoc IoDeleteSymbolicLink_~tmp_ndt_3~0#1; [2024-11-10 18:34:34,126 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L845: assume !false;havoc IoDeleteSymbolicLink_~tmp_ndt_3~0#1; [2024-11-10 18:34:34,126 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1084: assume false; [2024-11-10 18:34:34,126 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1084: assume !false;havoc ObReferenceObjectByHandle_~tmp_ndt_10~0#1; [2024-11-10 18:34:34,126 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1084: assume !false;havoc ObReferenceObjectByHandle_~tmp_ndt_10~0#1; [2024-11-10 18:34:34,126 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L890: assume false; [2024-11-10 18:34:34,127 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L890: assume !false;havoc IoRegisterDeviceInterface_~tmp_ndt_5~0#1; [2024-11-10 18:34:34,127 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L890: assume !false;havoc IoRegisterDeviceInterface_~tmp_ndt_5~0#1; [2024-11-10 18:34:34,127 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L824: assume false; [2024-11-10 18:34:34,128 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L824: assume !false;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_2~0#1; [2024-11-10 18:34:34,128 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L824: assume !false;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_2~0#1; [2024-11-10 18:34:34,128 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L232: assume false; [2024-11-10 18:34:34,128 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L232: assume !false; [2024-11-10 18:34:34,169 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L943: havoc ~tmp_ndt_7~0#1; [2024-11-10 18:34:34,169 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L968: assume false; [2024-11-10 18:34:34,169 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L968: assume !false; [2024-11-10 18:34:34,291 INFO L? ?]: Removed 362 outVars from TransFormulas that were not future-live. [2024-11-10 18:34:34,293 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:34:34,324 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:34:34,324 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:34:34,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:34:34 BoogieIcfgContainer [2024-11-10 18:34:34,325 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:34:34,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:34:34,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:34:34,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:34:34,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:34:32" (1/3) ... [2024-11-10 18:34:34,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586968e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:34:34, skipping insertion in model container [2024-11-10 18:34:34,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:32" (2/3) ... [2024-11-10 18:34:34,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586968e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:34:34, skipping insertion in model container [2024-11-10 18:34:34,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:34:34" (3/3) ... [2024-11-10 18:34:34,335 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-2.c [2024-11-10 18:34:34,349 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:34:34,349 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2024-11-10 18:34:34,428 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:34:34,435 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;@3cfc682e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:34:34,436 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-10 18:34:34,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 375 states, 281 states have (on average 1.5124555160142348) internal successors, (425), 352 states have internal predecessors, (425), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 32 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 18:34:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 18:34:34,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:34:34,447 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:34:34,448 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 18:34:34,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:34:34,453 INFO L85 PathProgramCache]: Analyzing trace with hash 753372488, now seen corresponding path program 1 times [2024-11-10 18:34:34,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:34:34,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225426694] [2024-11-10 18:34:34,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:34:34,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 18:34:34,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:34:34,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 18:34:34,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-10 18:34:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:34:34,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 18:34:34,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:34:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:34:34,629 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:34:34,630 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:34:34,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225426694] [2024-11-10 18:34:34,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225426694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:34:34,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:34:34,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:34:34,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775744382] [2024-11-10 18:34:34,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:34:34,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:34:34,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:34:34,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:34:34,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:34:34,664 INFO L87 Difference]: Start difference. First operand has 375 states, 281 states have (on average 1.5124555160142348) internal successors, (425), 352 states have internal predecessors, (425), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 32 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-10 18:34:34,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:34:34,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:34:34,683 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:34:34,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:34:34,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-10 18:34:34,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 18:34:34,889 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-10 18:34:34,892 INFO L158 Benchmark]: Toolchain (without parser) took 2570.15ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 51.9MB in the beginning and 49.8MB in the end (delta: 2.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-10 18:34:34,892 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory was 39.8MB in the beginning and 39.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:34:34,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.97ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 47.7MB in the end (delta: 4.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-10 18:34:34,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.41ms. Allocated memory is still 75.5MB. Free memory was 47.7MB in the beginning and 42.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:34:34,894 INFO L158 Benchmark]: Boogie Preprocessor took 76.69ms. Allocated memory is still 75.5MB. Free memory was 42.6MB in the beginning and 37.9MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 18:34:34,899 INFO L158 Benchmark]: IcfgBuilder took 1280.35ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 37.9MB in the beginning and 44.9MB in the end (delta: -7.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-10 18:34:34,900 INFO L158 Benchmark]: TraceAbstraction took 564.68ms. Allocated memory is still 94.4MB. Free memory was 44.4MB in the beginning and 49.8MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:34:34,902 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory was 39.8MB in the beginning and 39.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.97ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 47.7MB in the end (delta: 4.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.41ms. Allocated memory is still 75.5MB. Free memory was 47.7MB in the beginning and 42.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.69ms. Allocated memory is still 75.5MB. Free memory was 42.6MB in the beginning and 37.9MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1280.35ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 37.9MB in the beginning and 44.9MB in the end (delta: -7.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * TraceAbstraction took 564.68ms. Allocated memory is still 94.4MB. Free memory was 44.4MB in the beginning and 49.8MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 18:34:34,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null