./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.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_simpl4.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 b15a3429ae983cb571408e453cffd56861eca4f5fc7e760aad97ad24a44474ad --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:34:23,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:34:24,073 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:34:24,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:34:24,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:34:24,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:34:24,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:34:24,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:34:24,111 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:34:24,111 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:34:24,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:34:24,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:34:24,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:34:24,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:34:24,113 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:34:24,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:34:24,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:34:24,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:34:24,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:34:24,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:34:24,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:34:24,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:34:24,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:34:24,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:34:24,118 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:34:24,118 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:34:24,118 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:34:24,119 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:34:24,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:34:24,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:34:24,120 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:34:24,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:34:24,120 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:34:24,120 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:34:24,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:34:24,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:34:24,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:34:24,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:34:24,122 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:34:24,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:34:24,122 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:34:24,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:34:24,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:34:24,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:34:24,124 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b15a3429ae983cb571408e453cffd56861eca4f5fc7e760aad97ad24a44474ad [2024-11-10 18:34:24,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:34:24,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:34:24,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:34:24,463 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:34:24,464 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:34:24,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2024-11-10 18:34:26,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:34:26,348 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:34:26,349 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2024-11-10 18:34:26,368 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83bc24b6a/c513557aecd54b27885eff1d39456611/FLAG2b561f30e [2024-11-10 18:34:26,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83bc24b6a/c513557aecd54b27885eff1d39456611 [2024-11-10 18:34:26,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:34:26,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:34:26,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:34:26,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:34:26,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:34:26,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:34:26" (1/1) ... [2024-11-10 18:34:26,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3a707b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:26, skipping insertion in model container [2024-11-10 18:34:26,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:34:26" (1/1) ... [2024-11-10 18:34:26,464 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:34:26,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:34:26,887 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:34:27,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:34:27,025 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:34:27,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27 WrapperNode [2024-11-10 18:34:27,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:34:27,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:34:27,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:34:27,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:34:27,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27" (1/1) ... [2024-11-10 18:34:27,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27" (1/1) ... [2024-11-10 18:34:27,112 INFO L138 Inliner]: procedures = 41, calls = 77, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 1522 [2024-11-10 18:34:27,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:34:27,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:34:27,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:34:27,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:34:27,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27" (1/1) ... [2024-11-10 18:34:27,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27" (1/1) ... [2024-11-10 18:34:27,140 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27" (1/1) ... [2024-11-10 18:34:27,171 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 18:34:27,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27" (1/1) ... [2024-11-10 18:34:27,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27" (1/1) ... [2024-11-10 18:34:27,190 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27" (1/1) ... [2024-11-10 18:34:27,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27" (1/1) ... [2024-11-10 18:34:27,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27" (1/1) ... [2024-11-10 18:34:27,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27" (1/1) ... [2024-11-10 18:34:27,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:34:27,223 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:34:27,223 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:34:27,223 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:34:27,224 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27" (1/1) ... [2024-11-10 18:34:27,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:34:27,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:34:27,266 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 18:34:27,269 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 18:34:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:34:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2024-11-10 18:34:27,319 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2024-11-10 18:34:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2024-11-10 18:34:27,319 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2024-11-10 18:34:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2024-11-10 18:34:27,319 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2024-11-10 18:34:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2024-11-10 18:34:27,320 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2024-11-10 18:34:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2024-11-10 18:34:27,320 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2024-11-10 18:34:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:34:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2024-11-10 18:34:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2024-11-10 18:34:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2024-11-10 18:34:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2024-11-10 18:34:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:34:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:34:27,610 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:34:27,613 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:34:27,714 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1092: assume false; [2024-11-10 18:34:27,714 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1092: assume !false;havoc ~tmp_ndt_12~0; [2024-11-10 18:34:27,715 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1092: assume !false;havoc ~tmp_ndt_12~0; [2024-11-10 18:34:27,730 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L941: assume false; [2024-11-10 18:34:27,730 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L941: assume !false;havoc ~tmp_ndt_9~0; [2024-11-10 18:34:27,731 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L941: assume !false;havoc ~tmp_ndt_9~0; [2024-11-10 18:34:28,578 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L898: assume false; [2024-11-10 18:34:28,578 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L898: assume !false;havoc IoQueryDeviceDescription_~tmp_ndt_7~0#1; [2024-11-10 18:34:28,578 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L898: assume !false;havoc IoQueryDeviceDescription_~tmp_ndt_7~0#1; [2024-11-10 18:34:28,578 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1401: assume false; [2024-11-10 18:34:28,578 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1401: assume !false; [2024-11-10 18:34:28,579 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L875: assume false; [2024-11-10 18:34:28,579 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L875: assume !false;havoc IoDeleteSymbolicLink_~tmp_ndt_6~0#1; [2024-11-10 18:34:28,579 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L875: assume !false;havoc IoDeleteSymbolicLink_~tmp_ndt_6~0#1; [2024-11-10 18:34:28,579 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: assume false; [2024-11-10 18:34:28,579 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: assume !false; [2024-11-10 18:34:28,579 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L920: assume false; [2024-11-10 18:34:28,579 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L920: assume !false;havoc IoRegisterDeviceInterface_~tmp_ndt_8~0#1; [2024-11-10 18:34:28,579 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L920: assume !false;havoc IoRegisterDeviceInterface_~tmp_ndt_8~0#1; [2024-11-10 18:34:28,579 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L854: assume false; [2024-11-10 18:34:28,579 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L854: assume !false;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_5~0#1; [2024-11-10 18:34:28,580 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L854: assume !false;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_5~0#1; [2024-11-10 18:34:28,580 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L229: assume false; [2024-11-10 18:34:28,580 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L229: assume !false; [2024-11-10 18:34:28,625 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L973: havoc ~tmp_ndt_10~0#1; [2024-11-10 18:34:28,625 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L998: assume false; [2024-11-10 18:34:28,625 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L998: assume !false; [2024-11-10 18:34:28,718 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1114: assume false; [2024-11-10 18:34:28,718 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1114: assume !false;havoc ObReferenceObjectByHandle_~tmp_ndt_13~0#1; [2024-11-10 18:34:28,718 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1114: assume !false;havoc ObReferenceObjectByHandle_~tmp_ndt_13~0#1; [2024-11-10 18:34:28,719 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136: assume false; [2024-11-10 18:34:28,719 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136: assume !false;havoc PsCreateSystemThread_~tmp_ndt_14~0#1; [2024-11-10 18:34:28,719 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136: assume !false;havoc PsCreateSystemThread_~tmp_ndt_14~0#1; [2024-11-10 18:34:28,719 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1157: assume false; [2024-11-10 18:34:28,719 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1157: assume !false;havoc ZwClose_~tmp_ndt_15~0#1; [2024-11-10 18:34:28,719 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1157: assume !false;havoc ZwClose_~tmp_ndt_15~0#1; [2024-11-10 18:34:28,824 INFO L? ?]: Removed 573 outVars from TransFormulas that were not future-live. [2024-11-10 18:34:28,825 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:34:28,857 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:34:28,857 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:34:28,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:34:28 BoogieIcfgContainer [2024-11-10 18:34:28,858 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:34:28,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:34:28,861 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:34:28,865 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:34:28,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:34:26" (1/3) ... [2024-11-10 18:34:28,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4815c31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:34:28, skipping insertion in model container [2024-11-10 18:34:28,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:27" (2/3) ... [2024-11-10 18:34:28,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4815c31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:34:28, skipping insertion in model container [2024-11-10 18:34:28,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:34:28" (3/3) ... [2024-11-10 18:34:28,867 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4.cil-2.c [2024-11-10 18:34:28,885 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:34:28,885 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2024-11-10 18:34:28,973 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:34:28,982 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;@670c69ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:34:28,983 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2024-11-10 18:34:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 531 states, 398 states have (on average 1.5603015075376885) internal successors, (621), 497 states have internal predecessors, (621), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 45 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-10 18:34:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 18:34:28,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:34:28,998 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:34:28,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2024-11-10 18:34:29,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:34:29,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1163502933, now seen corresponding path program 1 times [2024-11-10 18:34:29,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:34:29,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122271536] [2024-11-10 18:34:29,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:34:29,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:34:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:34:29,339 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 18:34:29,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:34:29,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122271536] [2024-11-10 18:34:29,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122271536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:34:29,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:34:29,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:34:29,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365909363] [2024-11-10 18:34:29,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:34:29,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:34:29,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:34:29,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:34:29,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:34:29,374 INFO L87 Difference]: Start difference. First operand has 531 states, 398 states have (on average 1.5603015075376885) internal successors, (621), 497 states have internal predecessors, (621), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 45 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18:34:29,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:34:29,388 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 18:34:29,391 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 18:34:29,392 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 18:34:29,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:34:29,394 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 18:34:29,399 INFO L158 Benchmark]: Toolchain (without parser) took 3012.80ms. Allocated memory is still 144.7MB. Free memory was 104.7MB in the beginning and 54.8MB in the end (delta: 49.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-11-10 18:34:29,399 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 100.7MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:34:29,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.82ms. Allocated memory is still 144.7MB. Free memory was 104.7MB in the beginning and 76.1MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-10 18:34:29,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.47ms. Allocated memory is still 144.7MB. Free memory was 76.1MB in the beginning and 69.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 18:34:29,400 INFO L158 Benchmark]: Boogie Preprocessor took 109.28ms. Allocated memory is still 144.7MB. Free memory was 69.1MB in the beginning and 63.2MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:34:29,401 INFO L158 Benchmark]: IcfgBuilder took 1635.33ms. Allocated memory is still 144.7MB. Free memory was 63.2MB in the beginning and 86.3MB in the end (delta: -23.1MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-11-10 18:34:29,402 INFO L158 Benchmark]: TraceAbstraction took 536.75ms. Allocated memory is still 144.7MB. Free memory was 85.1MB in the beginning and 54.8MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-10 18:34:29,406 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 100.7MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 638.82ms. Allocated memory is still 144.7MB. Free memory was 104.7MB in the beginning and 76.1MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.47ms. Allocated memory is still 144.7MB. Free memory was 76.1MB in the beginning and 69.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.28ms. Allocated memory is still 144.7MB. Free memory was 69.1MB in the beginning and 63.2MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1635.33ms. Allocated memory is still 144.7MB. Free memory was 63.2MB in the beginning and 86.3MB in the end (delta: -23.1MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * TraceAbstraction took 536.75ms. Allocated memory is still 144.7MB. Free memory was 85.1MB in the beginning and 54.8MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. 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 18:34:29,435 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_simpl4.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 b15a3429ae983cb571408e453cffd56861eca4f5fc7e760aad97ad24a44474ad --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:34:31,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:34:31,975 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2024-11-10 18:34:31,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:34:31,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:34:32,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:34:32,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:34:32,026 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:34:32,027 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:34:32,028 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:34:32,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:34:32,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:34:32,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:34:32,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:34:32,030 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:34:32,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:34:32,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:34:32,032 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:34:32,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:34:32,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:34:32,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:34:32,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:34:32,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:34:32,037 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:34:32,038 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 18:34:32,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:34:32,038 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:34:32,039 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 18:34:32,039 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:34:32,039 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:34:32,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:34:32,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:34:32,041 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:34:32,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:34:32,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:34:32,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:34:32,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:34:32,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:34:32,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:34:32,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:34:32,043 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 18:34:32,044 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 18:34:32,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:34:32,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:34:32,044 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:34:32,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:34:32,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b15a3429ae983cb571408e453cffd56861eca4f5fc7e760aad97ad24a44474ad [2024-11-10 18:34:32,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:34:32,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:34:32,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:34:32,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:34:32,412 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:34:32,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2024-11-10 18:34:34,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:34:34,378 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:34:34,379 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2024-11-10 18:34:34,399 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82d0fb129/d5f4e4bc26904ef9955fae175e7cd6e1/FLAG8b77c3246 [2024-11-10 18:34:34,412 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82d0fb129/d5f4e4bc26904ef9955fae175e7cd6e1 [2024-11-10 18:34:34,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:34:34,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:34:34,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:34:34,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:34:34,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:34:34,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:34:34" (1/1) ... [2024-11-10 18:34:34,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38cbffab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:34, skipping insertion in model container [2024-11-10 18:34:34,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:34:34" (1/1) ... [2024-11-10 18:34:34,478 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:34:34,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:34:34,943 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:34:35,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:34:35,080 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:34:35,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35 WrapperNode [2024-11-10 18:34:35,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:34:35,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:34:35,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:34:35,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:34:35,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35" (1/1) ... [2024-11-10 18:34:35,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35" (1/1) ... [2024-11-10 18:34:35,184 INFO L138 Inliner]: procedures = 41, calls = 77, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 1384 [2024-11-10 18:34:35,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:34:35,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:34:35,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:34:35,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:34:35,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35" (1/1) ... [2024-11-10 18:34:35,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35" (1/1) ... [2024-11-10 18:34:35,216 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35" (1/1) ... [2024-11-10 18:34:35,249 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 18:34:35,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35" (1/1) ... [2024-11-10 18:34:35,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35" (1/1) ... [2024-11-10 18:34:35,280 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35" (1/1) ... [2024-11-10 18:34:35,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35" (1/1) ... [2024-11-10 18:34:35,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35" (1/1) ... [2024-11-10 18:34:35,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35" (1/1) ... [2024-11-10 18:34:35,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:34:35,311 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:34:35,311 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:34:35,311 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:34:35,312 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35" (1/1) ... [2024-11-10 18:34:35,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:34:35,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:34:35,362 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 18:34:35,365 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 18:34:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:34:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2024-11-10 18:34:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2024-11-10 18:34:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 18:34:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2024-11-10 18:34:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2024-11-10 18:34:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2024-11-10 18:34:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2024-11-10 18:34:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2024-11-10 18:34:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2024-11-10 18:34:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2024-11-10 18:34:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2024-11-10 18:34:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2024-11-10 18:34:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2024-11-10 18:34:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2024-11-10 18:34:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2024-11-10 18:34:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:34:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:34:35,665 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:34:35,667 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:34:35,787 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1092: assume false; [2024-11-10 18:34:35,788 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1092: assume !false;havoc ~tmp_ndt_12~0; [2024-11-10 18:34:35,788 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1092: assume !false;havoc ~tmp_ndt_12~0; [2024-11-10 18:34:35,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L941: assume false; [2024-11-10 18:34:35,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L941: assume !false;havoc ~tmp_ndt_9~0; [2024-11-10 18:34:35,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L941: assume !false;havoc ~tmp_ndt_9~0; [2024-11-10 18:34:36,746 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L898: assume false; [2024-11-10 18:34:36,748 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L898: assume !false;havoc IoQueryDeviceDescription_~tmp_ndt_7~0#1; [2024-11-10 18:34:36,748 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L898: assume !false;havoc IoQueryDeviceDescription_~tmp_ndt_7~0#1; [2024-11-10 18:34:36,748 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1401: assume false; [2024-11-10 18:34:36,748 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1401: assume !false; [2024-11-10 18:34:36,748 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L875: assume false; [2024-11-10 18:34:36,749 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L875: assume !false;havoc IoDeleteSymbolicLink_~tmp_ndt_6~0#1; [2024-11-10 18:34:36,749 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L875: assume !false;havoc IoDeleteSymbolicLink_~tmp_ndt_6~0#1; [2024-11-10 18:34:36,749 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: assume false; [2024-11-10 18:34:36,749 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: assume !false; [2024-11-10 18:34:36,749 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L920: assume false; [2024-11-10 18:34:36,749 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L920: assume !false;havoc IoRegisterDeviceInterface_~tmp_ndt_8~0#1; [2024-11-10 18:34:36,749 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L920: assume !false;havoc IoRegisterDeviceInterface_~tmp_ndt_8~0#1; [2024-11-10 18:34:36,749 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L854: assume false; [2024-11-10 18:34:36,749 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L854: assume !false;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_5~0#1; [2024-11-10 18:34:36,749 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L854: assume !false;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_5~0#1; [2024-11-10 18:34:36,750 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L229: assume false; [2024-11-10 18:34:36,750 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L229: assume !false; [2024-11-10 18:34:36,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L973: havoc ~tmp_ndt_10~0#1; [2024-11-10 18:34:36,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L998: assume false; [2024-11-10 18:34:36,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L998: assume !false; [2024-11-10 18:34:36,879 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1114: assume false; [2024-11-10 18:34:36,879 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1114: assume !false;havoc ObReferenceObjectByHandle_~tmp_ndt_13~0#1; [2024-11-10 18:34:36,879 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1114: assume !false;havoc ObReferenceObjectByHandle_~tmp_ndt_13~0#1; [2024-11-10 18:34:36,879 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136: assume false; [2024-11-10 18:34:36,879 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136: assume !false;havoc PsCreateSystemThread_~tmp_ndt_14~0#1; [2024-11-10 18:34:36,880 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136: assume !false;havoc PsCreateSystemThread_~tmp_ndt_14~0#1; [2024-11-10 18:34:36,880 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1157: assume false; [2024-11-10 18:34:36,880 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1157: assume !false;havoc ZwClose_~tmp_ndt_15~0#1; [2024-11-10 18:34:36,880 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1157: assume !false;havoc ZwClose_~tmp_ndt_15~0#1; [2024-11-10 18:34:37,002 INFO L? ?]: Removed 548 outVars from TransFormulas that were not future-live. [2024-11-10 18:34:37,002 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:34:37,027 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:34:37,027 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:34:37,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:34:37 BoogieIcfgContainer [2024-11-10 18:34:37,028 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:34:37,030 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:34:37,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:34:37,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:34:37,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:34:34" (1/3) ... [2024-11-10 18:34:37,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634e61a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:34:37, skipping insertion in model container [2024-11-10 18:34:37,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:35" (2/3) ... [2024-11-10 18:34:37,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634e61a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:34:37, skipping insertion in model container [2024-11-10 18:34:37,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:34:37" (3/3) ... [2024-11-10 18:34:37,036 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4.cil-2.c [2024-11-10 18:34:37,052 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:34:37,052 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2024-11-10 18:34:37,147 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:34:37,155 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;@501508d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:34:37,155 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2024-11-10 18:34:37,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 531 states, 398 states have (on average 1.5603015075376885) internal successors, (621), 497 states have internal predecessors, (621), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 45 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-10 18:34:37,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 18:34:37,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:34:37,170 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:34:37,171 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2024-11-10 18:34:37,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:34:37,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1163502933, now seen corresponding path program 1 times [2024-11-10 18:34:37,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:34:37,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409503771] [2024-11-10 18:34:37,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:34:37,206 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 18:34:37,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:34:37,208 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 18:34:37,210 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 18:34:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:34:37,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 18:34:37,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:34:37,390 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 18:34:37,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:34:37,391 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:34:37,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409503771] [2024-11-10 18:34:37,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409503771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:34:37,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:34:37,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:34:37,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477994558] [2024-11-10 18:34:37,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:34:37,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:34:37,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:34:37,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:34:37,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:34:37,424 INFO L87 Difference]: Start difference. First operand has 531 states, 398 states have (on average 1.5603015075376885) internal successors, (621), 497 states have internal predecessors, (621), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 45 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 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 18:34:37,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:34:37,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 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 18:34:37,443 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 18:34:37,445 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 18:34:37,451 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 18:34:37,650 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 18:34:37,651 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 18:34:37,656 INFO L158 Benchmark]: Toolchain (without parser) took 3240.66ms. Allocated memory was 54.5MB in the beginning and 88.1MB in the end (delta: 33.6MB). Free memory was 31.2MB in the beginning and 41.0MB in the end (delta: -9.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-10 18:34:37,657 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 39.8MB. Free memory is still 20.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:34:37,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.37ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.0MB in the beginning and 40.3MB in the end (delta: -9.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-10 18:34:37,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.53ms. Allocated memory is still 67.1MB. Free memory was 40.3MB in the beginning and 34.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 18:34:37,661 INFO L158 Benchmark]: Boogie Preprocessor took 125.02ms. Allocated memory is still 67.1MB. Free memory was 34.0MB in the beginning and 27.8MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 18:34:37,662 INFO L158 Benchmark]: IcfgBuilder took 1717.17ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 27.8MB in the beginning and 40.2MB in the end (delta: -12.4MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-10 18:34:37,662 INFO L158 Benchmark]: TraceAbstraction took 625.51ms. Allocated memory is still 88.1MB. Free memory was 39.7MB in the beginning and 41.0MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:34:37,667 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 39.8MB. Free memory is still 20.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.37ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.0MB in the beginning and 40.3MB in the end (delta: -9.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.53ms. Allocated memory is still 67.1MB. Free memory was 40.3MB in the beginning and 34.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.02ms. Allocated memory is still 67.1MB. Free memory was 34.0MB in the beginning and 27.8MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1717.17ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 27.8MB in the beginning and 40.2MB in the end (delta: -12.4MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 625.51ms. Allocated memory is still 88.1MB. Free memory was 39.7MB in the beginning and 41.0MB in the end (delta: -1.2MB). 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 18:34:37,701 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