./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:43:08,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:43:08,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:43:08,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:43:08,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:43:08,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:43:08,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:43:08,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:43:08,360 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:43:08,362 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:43:08,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:43:08,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:43:08,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:43:08,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:43:08,363 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:43:08,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:43:08,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:43:08,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:43:08,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:43:08,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:43:08,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:43:08,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:43:08,370 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:43:08,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:43:08,371 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:43:08,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:43:08,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:43:08,372 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:43:08,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:43:08,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:43:08,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:43:08,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:43:08,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:43:08,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:43:08,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:43:08,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:43:08,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:43:08,375 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:43:08,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:43:08,376 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f [2024-10-24 13:43:08,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:43:08,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:43:08,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:43:08,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:43:08,656 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:43:08,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2024-10-24 13:43:10,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:43:10,515 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:43:10,516 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2024-10-24 13:43:10,555 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f4c5e2ad/efc0fad0528e414a89ce607f85863681/FLAG935f6d083 [2024-10-24 13:43:10,715 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f4c5e2ad/efc0fad0528e414a89ce607f85863681 [2024-10-24 13:43:10,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:43:10,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:43:10,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:43:10,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:43:10,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:43:10,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:43:10" (1/1) ... [2024-10-24 13:43:10,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6f0124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:10, skipping insertion in model container [2024-10-24 13:43:10,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:43:10" (1/1) ... [2024-10-24 13:43:10,809 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:43:11,258 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2024-10-24 13:43:11,259 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2024-10-24 13:43:11,344 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i[74571,74584] [2024-10-24 13:43:11,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:43:11,538 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:43:11,594 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2024-10-24 13:43:11,595 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2024-10-24 13:43:11,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2477] [2024-10-24 13:43:11,604 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i[74571,74584] [2024-10-24 13:43:11,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:43:11,694 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:43:11,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11 WrapperNode [2024-10-24 13:43:11,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:43:11,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:43:11,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:43:11,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:43:11,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11" (1/1) ... [2024-10-24 13:43:11,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11" (1/1) ... [2024-10-24 13:43:11,798 INFO L138 Inliner]: procedures = 76, calls = 206, calls flagged for inlining = 33, calls inlined = 29, statements flattened = 620 [2024-10-24 13:43:11,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:43:11,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:43:11,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:43:11,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:43:11,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11" (1/1) ... [2024-10-24 13:43:11,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11" (1/1) ... [2024-10-24 13:43:11,820 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11" (1/1) ... [2024-10-24 13:43:11,862 INFO L175 MemorySlicer]: Split 100 memory accesses to 9 slices as follows [2, 21, 44, 2, 1, 7, 10, 2, 11]. 44 percent of accesses are in the largest equivalence class. The 67 initializations are split as follows [2, 21, 44, 0, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 0, 0, 1, 1, 6, 0, 0, 1]. [2024-10-24 13:43:11,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11" (1/1) ... [2024-10-24 13:43:11,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11" (1/1) ... [2024-10-24 13:43:11,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11" (1/1) ... [2024-10-24 13:43:11,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11" (1/1) ... [2024-10-24 13:43:11,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11" (1/1) ... [2024-10-24 13:43:11,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11" (1/1) ... [2024-10-24 13:43:11,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:43:11,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:43:11,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:43:11,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:43:11,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11" (1/1) ... [2024-10-24 13:43:11,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:43:11,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:43:11,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 13:43:11,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 13:43:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:43:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2024-10-24 13:43:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2024-10-24 13:43:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:43:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:43:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:43:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:43:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:43:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:43:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:43:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:43:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:43:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:43:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 13:43:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 13:43:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 13:43:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 13:43:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:43:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:43:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:43:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:43:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:43:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:43:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 13:43:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 13:43:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 13:43:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-24 13:43:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-24 13:43:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:43:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:43:12,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:43:12,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:43:12,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:43:12,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:43:12,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:43:12,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:43:12,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:43:12,019 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2024-10-24 13:43:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2024-10-24 13:43:12,020 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2024-10-24 13:43:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2024-10-24 13:43:12,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:43:12,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:43:12,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:43:12,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:43:12,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:43:12,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:43:12,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:43:12,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:43:12,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:43:12,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:43:12,021 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2024-10-24 13:43:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2024-10-24 13:43:12,022 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-24 13:43:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-24 13:43:12,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:43:12,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:43:12,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:43:12,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:43:12,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:43:12,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:43:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 13:43:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 13:43:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 13:43:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 13:43:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 13:43:12,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:43:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:43:12,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:43:12,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:43:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:43:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:43:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:43:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:43:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 13:43:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 13:43:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 13:43:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:43:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-24 13:43:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-24 13:43:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:43:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:43:12,300 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:43:12,301 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:43:12,352 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 13:43:12,897 INFO L? ?]: Removed 275 outVars from TransFormulas that were not future-live. [2024-10-24 13:43:12,897 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:43:12,997 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:43:12,997 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 13:43:12,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:43:12 BoogieIcfgContainer [2024-10-24 13:43:12,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:43:13,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:43:13,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:43:13,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:43:13,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:43:10" (1/3) ... [2024-10-24 13:43:13,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf9338c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:43:13, skipping insertion in model container [2024-10-24 13:43:13,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:11" (2/3) ... [2024-10-24 13:43:13,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf9338c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:43:13, skipping insertion in model container [2024-10-24 13:43:13,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:43:12" (3/3) ... [2024-10-24 13:43:13,008 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2024-10-24 13:43:13,024 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:43:13,024 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:43:13,100 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:43:13,109 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;@2a586a40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:43:13,111 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:43:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 93 states have internal predecessors, (128), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 13:43:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-24 13:43:13,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:43:13,128 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:43:13,129 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:43:13,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:43:13,134 INFO L85 PathProgramCache]: Analyzing trace with hash -970849253, now seen corresponding path program 1 times [2024-10-24 13:43:13,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:43:13,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828035892] [2024-10-24 13:43:13,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:43:13,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:43:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:13,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:43:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:13,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:43:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:43:13,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:43:13,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828035892] [2024-10-24 13:43:13,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828035892] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:43:13,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:43:13,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:43:13,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589435513] [2024-10-24 13:43:13,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:43:13,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:43:13,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:43:13,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:43:13,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:43:13,682 INFO L87 Difference]: Start difference. First operand has 123 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 93 states have internal predecessors, (128), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 13:43:13,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:43:13,972 INFO L93 Difference]: Finished difference Result 253 states and 357 transitions. [2024-10-24 13:43:13,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:43:13,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31 [2024-10-24 13:43:13,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:43:13,985 INFO L225 Difference]: With dead ends: 253 [2024-10-24 13:43:13,985 INFO L226 Difference]: Without dead ends: 120 [2024-10-24 13:43:13,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:43:13,992 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 68 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:43:13,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 284 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 13:43:14,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-10-24 13:43:14,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 116. [2024-10-24 13:43:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 96 states have internal predecessors, (134), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 13:43:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 157 transitions. [2024-10-24 13:43:14,048 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 157 transitions. Word has length 31 [2024-10-24 13:43:14,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:43:14,048 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 157 transitions. [2024-10-24 13:43:14,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 13:43:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 157 transitions. [2024-10-24 13:43:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-24 13:43:14,053 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:43:14,054 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:43:14,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:43:14,055 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:43:14,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:43:14,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1651024129, now seen corresponding path program 1 times [2024-10-24 13:43:14,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:43:14,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988775577] [2024-10-24 13:43:14,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:43:14,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:43:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:14,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:43:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:14,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:43:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:14,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:43:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:14,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 13:43:14,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:43:14,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988775577] [2024-10-24 13:43:14,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988775577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:43:14,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:43:14,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:43:14,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827246421] [2024-10-24 13:43:14,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:43:14,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:43:14,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:43:14,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:43:14,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:43:14,254 INFO L87 Difference]: Start difference. First operand 116 states and 157 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 13:43:14,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:43:14,434 INFO L93 Difference]: Finished difference Result 124 states and 165 transitions. [2024-10-24 13:43:14,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 13:43:14,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-10-24 13:43:14,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:43:14,436 INFO L225 Difference]: With dead ends: 124 [2024-10-24 13:43:14,437 INFO L226 Difference]: Without dead ends: 121 [2024-10-24 13:43:14,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:43:14,438 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 13 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:43:14,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 248 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 13:43:14,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-24 13:43:14,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 117. [2024-10-24 13:43:14,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 13:43:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 158 transitions. [2024-10-24 13:43:14,456 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 158 transitions. Word has length 46 [2024-10-24 13:43:14,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:43:14,462 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 158 transitions. [2024-10-24 13:43:14,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 13:43:14,462 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 158 transitions. [2024-10-24 13:43:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-24 13:43:14,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:43:14,466 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:43:14,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:43:14,466 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:43:14,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:43:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1827790517, now seen corresponding path program 1 times [2024-10-24 13:43:14,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:43:14,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102162634] [2024-10-24 13:43:14,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:43:14,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:43:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:14,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:43:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:14,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:43:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:14,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 13:43:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 13:43:14,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:43:14,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102162634] [2024-10-24 13:43:14,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102162634] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:43:14,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:43:14,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:43:14,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235762897] [2024-10-24 13:43:14,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:43:14,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:43:14,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:43:14,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:43:14,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:43:14,701 INFO L87 Difference]: Start difference. First operand 117 states and 158 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 13:43:14,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:43:14,868 INFO L93 Difference]: Finished difference Result 217 states and 296 transitions. [2024-10-24 13:43:14,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:43:14,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-10-24 13:43:14,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:43:14,870 INFO L225 Difference]: With dead ends: 217 [2024-10-24 13:43:14,870 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 13:43:14,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:43:14,872 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 92 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:43:14,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 221 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 13:43:14,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 13:43:14,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 13:43:14,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:43:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 13:43:14,874 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2024-10-24 13:43:14,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:43:14,875 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 13:43:14,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 13:43:14,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 13:43:14,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 13:43:14,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 13:43:14,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 13:43:14,883 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-24 13:43:14,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 13:43:15,052 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 13:43:15,076 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_ACTIVE [2024-10-24 13:43:15,077 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_RESUMING [2024-10-24 13:43:15,077 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDED [2024-10-24 13:43:15,077 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDING [2024-10-24 13:43:15,078 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_NONE [2024-10-24 13:43:15,078 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_IDLE [2024-10-24 13:43:15,078 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_SUSPEND [2024-10-24 13:43:15,078 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_AUTOSUSPEND [2024-10-24 13:43:15,078 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_RESUME [2024-10-24 13:43:15,079 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NONE [2024-10-24 13:43:15,079 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NET [2024-10-24 13:43:15,079 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPES [2024-10-24 13:43:15,079 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_LIVE [2024-10-24 13:43:15,080 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_COMING [2024-10-24 13:43:15,080 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_GOING [2024-10-24 13:43:15,083 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_UNFORMED [2024-10-24 13:43:15,083 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PID [2024-10-24 13:43:15,083 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PGID [2024-10-24 13:43:15,083 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_SID [2024-10-24 13:43:15,084 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_MAX [2024-10-24 13:43:15,084 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_ASYNC [2024-10-24 13:43:15,084 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_SYNC_LIGHT [2024-10-24 13:43:15,084 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_SYNC [2024-10-24 13:43:15,085 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~quota_type~0~USRQUOTA [2024-10-24 13:43:15,085 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~quota_type~0~GRPQUOTA [2024-10-24 13:43:15,085 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~quota_type~0~PRJQUOTA [2024-10-24 13:43:15,085 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_OTHER [2024-10-24 13:43:15,086 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_USBMOUSE [2024-10-24 13:43:15,087 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_USBNONE [2024-10-24 13:43:15,093 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_ACTIVE [2024-10-24 13:43:15,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_RESUMING [2024-10-24 13:43:15,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDED [2024-10-24 13:43:15,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDING [2024-10-24 13:43:15,094 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_NONE [2024-10-24 13:43:15,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_IDLE [2024-10-24 13:43:15,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_SUSPEND [2024-10-24 13:43:15,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_AUTOSUSPEND [2024-10-24 13:43:15,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_RESUME [2024-10-24 13:43:15,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NONE [2024-10-24 13:43:15,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NET [2024-10-24 13:43:15,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPES [2024-10-24 13:43:15,095 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_LIVE [2024-10-24 13:43:15,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_COMING [2024-10-24 13:43:15,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_GOING [2024-10-24 13:43:15,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_UNFORMED [2024-10-24 13:43:15,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PID [2024-10-24 13:43:15,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PGID [2024-10-24 13:43:15,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_SID [2024-10-24 13:43:15,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_MAX [2024-10-24 13:43:15,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_ASYNC [2024-10-24 13:43:15,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_SYNC_LIGHT [2024-10-24 13:43:15,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_SYNC [2024-10-24 13:43:15,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~quota_type~0~USRQUOTA [2024-10-24 13:43:15,096 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~quota_type~0~GRPQUOTA [2024-10-24 13:43:15,097 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~quota_type~0~PRJQUOTA [2024-10-24 13:43:15,097 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_OTHER [2024-10-24 13:43:15,097 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_USBMOUSE [2024-10-24 13:43:15,097 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_USBNONE [2024-10-24 13:43:15,101 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.lib.proofs.floydhoare.FloydHoareUtils.createProcedureContractResults(FloydHoareUtils.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) 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) [2024-10-24 13:43:15,104 INFO L158 Benchmark]: Toolchain (without parser) took 4384.63ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 103.0MB in the beginning and 123.6MB in the end (delta: -20.6MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-10-24 13:43:15,107 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 13:43:15,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 975.11ms. Allocated memory is still 165.7MB. Free memory was 103.0MB in the beginning and 95.6MB in the end (delta: 7.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-24 13:43:15,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.61ms. Allocated memory is still 165.7MB. Free memory was 95.6MB in the beginning and 91.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 13:43:15,108 INFO L158 Benchmark]: Boogie Preprocessor took 105.65ms. Allocated memory is still 165.7MB. Free memory was 90.5MB in the beginning and 83.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-24 13:43:15,108 INFO L158 Benchmark]: RCFGBuilder took 1091.13ms. Allocated memory is still 165.7MB. Free memory was 83.0MB in the beginning and 83.2MB in the end (delta: -172.9kB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-10-24 13:43:15,108 INFO L158 Benchmark]: TraceAbstraction took 2103.65ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 82.2MB in the beginning and 123.6MB in the end (delta: -41.5MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-10-24 13:43:15,110 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 975.11ms. Allocated memory is still 165.7MB. Free memory was 103.0MB in the beginning and 95.6MB in the end (delta: 7.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.61ms. Allocated memory is still 165.7MB. Free memory was 95.6MB in the beginning and 91.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.65ms. Allocated memory is still 165.7MB. Free memory was 90.5MB in the beginning and 83.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1091.13ms. Allocated memory is still 165.7MB. Free memory was 83.0MB in the beginning and 83.2MB in the end (delta: -172.9kB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2103.65ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 82.2MB in the beginning and 123.6MB in the end (delta: -41.5MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2477]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2477] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_ACTIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_RESUMING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_IDLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_SUSPEND - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_AUTOSUSPEND - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_RESUME - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NET - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPES - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_LIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_COMING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_GOING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_UNFORMED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_SID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_MAX - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_ASYNC - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_SYNC_LIGHT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_SYNC - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~quota_type~0~USRQUOTA - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~quota_type~0~GRPQUOTA - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~quota_type~0~PRJQUOTA - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_OTHER - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_USBMOUSE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_USBNONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_ACTIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_RESUMING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_IDLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_SUSPEND - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_AUTOSUSPEND - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_RESUME - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NET - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPES - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_LIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_COMING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_GOING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_UNFORMED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_SID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_MAX - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_ASYNC - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_SYNC_LIGHT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_SYNC - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~quota_type~0~USRQUOTA - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~quota_type~0~GRPQUOTA - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~quota_type~0~PRJQUOTA - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_OTHER - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_USBMOUSE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_USBNONE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2556]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 124 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 182 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 753 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 460 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 332 IncrementalHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 293 mSDtfsCounter, 332 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2639]: Location Invariant Derived location invariant: 1 - InvariantResult [Line: 2559]: Location Invariant Derived location invariant: 1 - ProcedureContractResult [Line: 2552]: Procedure Contract for ldv_error Derived contract for procedure ldv_error. Requires: 0 Ensures: (0 && (((((((((((((__this_module == \old(__this_module)) && (ldv_state_variable_1 == \old(ldv_state_variable_1))) && (LDV_IN_INTERRUPT == \old(LDV_IN_INTERRUPT))) && (ref_cnt == \old(ref_cnt))) && (ldv_state_variable_0 == \old(ldv_state_variable_0))) && (ax_driver_group0 == \old(ax_driver_group0))) && (hid_debug == \old(hid_debug))) && (ax_devices == \old(ax_devices))) && (__mod_hid__ax_devices_device_table == \old(__mod_hid__ax_devices_device_table))) && (ax_driver == \old(ax_driver))) && (ldv_retval_0 == \old(ldv_retval_0))) && (ldv_retval_1 == \old(ldv_retval_1))) && (ldv_spin == \old(ldv_spin)))) - ProcedureContractResult [Line: 2662]: Procedure Contract for hid_hw_request Derived contract for procedure hid_hw_request. Requires: (ldv_spin == 0) Ensures: ((ldv_spin == 0) && (((((((((((((__this_module == \old(__this_module)) && (ldv_state_variable_1 == \old(ldv_state_variable_1))) && (LDV_IN_INTERRUPT == \old(LDV_IN_INTERRUPT))) && (ref_cnt == \old(ref_cnt))) && (ldv_state_variable_0 == \old(ldv_state_variable_0))) && (ax_driver_group0 == \old(ax_driver_group0))) && (hid_debug == \old(hid_debug))) && (ax_devices == \old(ax_devices))) && (__mod_hid__ax_devices_device_table == \old(__mod_hid__ax_devices_device_table))) && (ax_driver == \old(ax_driver))) && (ldv_retval_0 == \old(ldv_retval_0))) && (ldv_retval_1 == \old(ldv_retval_1))) && (ldv_spin == \old(ldv_spin)))) - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.FloydHoareUtils.createProcedureContractResults(FloydHoareUtils.java:181) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-24 13:43:15,149 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:43:17,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:43:17,476 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-24 13:43:17,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:43:17,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:43:17,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:43:17,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:43:17,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:43:17,520 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:43:17,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:43:17,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:43:17,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:43:17,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:43:17,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:43:17,526 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:43:17,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:43:17,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:43:17,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:43:17,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:43:17,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:43:17,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:43:17,528 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 13:43:17,528 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 13:43:17,528 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:43:17,529 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 13:43:17,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:43:17,529 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:43:17,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:43:17,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:43:17,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:43:17,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:43:17,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:43:17,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:43:17,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:43:17,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:43:17,533 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 13:43:17,533 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 13:43:17,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:43:17,534 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:43:17,534 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:43:17,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:43:17,534 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 13:43:17,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f [2024-10-24 13:43:17,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:43:17,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:43:17,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:43:17,880 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:43:17,881 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:43:17,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2024-10-24 13:43:19,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:43:19,928 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:43:19,929 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2024-10-24 13:43:19,962 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/388e932f5/80aede8d3028469aa8728120f38a638a/FLAGa2d777278 [2024-10-24 13:43:20,106 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/388e932f5/80aede8d3028469aa8728120f38a638a [2024-10-24 13:43:20,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:43:20,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:43:20,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:43:20,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:43:20,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:43:20,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:43:20" (1/1) ... [2024-10-24 13:43:20,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@829e384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:20, skipping insertion in model container [2024-10-24 13:43:20,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:43:20" (1/1) ... [2024-10-24 13:43:20,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:43:20,631 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2024-10-24 13:43:20,632 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2024-10-24 13:43:20,709 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i[74571,74584] [2024-10-24 13:43:20,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:43:20,904 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-24 13:43:20,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:43:20,990 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2024-10-24 13:43:20,990 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2024-10-24 13:43:20,997 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i[74571,74584] [2024-10-24 13:43:21,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:43:21,064 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:43:21,133 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2024-10-24 13:43:21,134 WARN L1337 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2024-10-24 13:43:21,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2477] [2024-10-24 13:43:21,143 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i[74571,74584] [2024-10-24 13:43:21,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:43:21,224 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:43:21,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21 WrapperNode [2024-10-24 13:43:21,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:43:21,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:43:21,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:43:21,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:43:21,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21" (1/1) ... [2024-10-24 13:43:21,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21" (1/1) ... [2024-10-24 13:43:21,308 INFO L138 Inliner]: procedures = 85, calls = 206, calls flagged for inlining = 33, calls inlined = 29, statements flattened = 573 [2024-10-24 13:43:21,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:43:21,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:43:21,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:43:21,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:43:21,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21" (1/1) ... [2024-10-24 13:43:21,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21" (1/1) ... [2024-10-24 13:43:21,335 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21" (1/1) ... [2024-10-24 13:43:21,395 INFO L175 MemorySlicer]: Split 100 memory accesses to 9 slices as follows [11, 2, 2, 21, 44, 1, 2, 7, 10]. 44 percent of accesses are in the largest equivalence class. The 67 initializations are split as follows [0, 2, 0, 21, 44, 0, 0, 0, 0]. The 9 writes are split as follows [1, 0, 0, 0, 0, 1, 1, 6, 0]. [2024-10-24 13:43:21,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21" (1/1) ... [2024-10-24 13:43:21,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21" (1/1) ... [2024-10-24 13:43:21,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21" (1/1) ... [2024-10-24 13:43:21,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21" (1/1) ... [2024-10-24 13:43:21,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21" (1/1) ... [2024-10-24 13:43:21,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21" (1/1) ... [2024-10-24 13:43:21,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:43:21,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:43:21,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:43:21,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:43:21,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21" (1/1) ... [2024-10-24 13:43:21,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:43:21,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:43:21,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 13:43:21,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 13:43:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:43:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2024-10-24 13:43:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2024-10-24 13:43:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-24 13:43:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-24 13:43:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-10-24 13:43:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-10-24 13:43:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-10-24 13:43:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-10-24 13:43:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-10-24 13:43:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-10-24 13:43:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-10-24 13:43:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:43:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:43:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:43:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:43:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:43:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:43:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:43:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:43:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:43:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:43:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-24 13:43:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-24 13:43:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-24 13:43:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-24 13:43:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-24 13:43:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-24 13:43:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-24 13:43:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-24 13:43:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-24 13:43:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 13:43:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 13:43:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 13:43:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 13:43:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:43:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:43:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:43:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:43:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:43:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:43:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:43:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:43:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:43:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2024-10-24 13:43:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2024-10-24 13:43:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2024-10-24 13:43:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2024-10-24 13:43:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2024-10-24 13:43:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2024-10-24 13:43:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-10-24 13:43:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-10-24 13:43:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-10-24 13:43:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-10-24 13:43:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-10-24 13:43:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-10-24 13:43:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-10-24 13:43:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-10-24 13:43:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-10-24 13:43:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:43:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-24 13:43:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-24 13:43:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-24 13:43:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-24 13:43:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-24 13:43:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-24 13:43:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-24 13:43:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-24 13:43:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-24 13:43:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:43:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:43:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:43:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:43:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:43:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:43:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:43:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:43:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:43:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-10-24 13:43:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-10-24 13:43:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-10-24 13:43:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-10-24 13:43:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-10-24 13:43:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-10-24 13:43:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-10-24 13:43:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-10-24 13:43:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-10-24 13:43:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 13:43:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-24 13:43:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-24 13:43:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-24 13:43:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-24 13:43:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-24 13:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-24 13:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-24 13:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-24 13:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-10-24 13:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-10-24 13:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-10-24 13:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-10-24 13:43:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-10-24 13:43:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-10-24 13:43:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-10-24 13:43:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-10-24 13:43:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-10-24 13:43:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2024-10-24 13:43:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2024-10-24 13:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-10-24 13:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-10-24 13:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-10-24 13:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-10-24 13:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-10-24 13:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-10-24 13:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-10-24 13:43:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-10-24 13:43:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-10-24 13:43:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-24 13:43:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-24 13:43:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 13:43:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 13:43:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:43:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:43:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:43:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-24 13:43:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-24 13:43:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:43:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:43:21,956 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:43:21,960 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:43:22,029 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 13:43:22,988 INFO L? ?]: Removed 274 outVars from TransFormulas that were not future-live. [2024-10-24 13:43:22,988 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:43:23,107 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:43:23,108 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 13:43:23,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:43:23 BoogieIcfgContainer [2024-10-24 13:43:23,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:43:23,111 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:43:23,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:43:23,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:43:23,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:43:20" (1/3) ... [2024-10-24 13:43:23,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3572e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:43:23, skipping insertion in model container [2024-10-24 13:43:23,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:21" (2/3) ... [2024-10-24 13:43:23,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3572e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:43:23, skipping insertion in model container [2024-10-24 13:43:23,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:43:23" (3/3) ... [2024-10-24 13:43:23,121 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2024-10-24 13:43:23,138 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:43:23,141 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:43:23,214 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:43:23,221 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;@2b711066, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:43:23,222 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:43:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 83 states have (on average 1.4457831325301205) internal successors, (120), 88 states have internal predecessors, (120), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 13:43:23,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-24 13:43:23,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:43:23,242 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:43:23,242 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:43:23,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:43:23,250 INFO L85 PathProgramCache]: Analyzing trace with hash 811034010, now seen corresponding path program 1 times [2024-10-24 13:43:23,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 13:43:23,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225436034] [2024-10-24 13:43:23,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:43:23,262 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 [2024-10-24 13:43:23,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 13:43:23,264 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) [2024-10-24 13:43:23,265 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 [2024-10-24 13:43:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:23,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 13:43:23,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:43:23,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:43:23,719 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:43:23,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 13:43:23,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225436034] [2024-10-24 13:43:23,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225436034] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:43:23,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:43:23,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 13:43:23,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511020252] [2024-10-24 13:43:23,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:43:23,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:43:23,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 13:43:23,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:43:23,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:43:23,756 INFO L87 Difference]: Start difference. First operand has 118 states, 83 states have (on average 1.4457831325301205) internal successors, (120), 88 states have internal predecessors, (120), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 13:43:24,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:43:24,982 INFO L93 Difference]: Finished difference Result 239 states and 337 transitions. [2024-10-24 13:43:24,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:43:24,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2024-10-24 13:43:24,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:43:24,996 INFO L225 Difference]: With dead ends: 239 [2024-10-24 13:43:24,996 INFO L226 Difference]: Without dead ends: 111 [2024-10-24 13:43:25,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:43:25,005 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 39 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:43:25,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 230 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 13:43:25,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-24 13:43:25,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-10-24 13:43:25,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 91 states have (on average 1.3846153846153846) internal successors, (126), 91 states have internal predecessors, (126), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 13:43:25,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 149 transitions. [2024-10-24 13:43:25,055 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 149 transitions. Word has length 30 [2024-10-24 13:43:25,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:43:25,056 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 149 transitions. [2024-10-24 13:43:25,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 13:43:25,056 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 149 transitions. [2024-10-24 13:43:25,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-24 13:43:25,059 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:43:25,059 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:43:25,069 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 [2024-10-24 13:43:25,260 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 [2024-10-24 13:43:25,260 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:43:25,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:43:25,261 INFO L85 PathProgramCache]: Analyzing trace with hash -527980409, now seen corresponding path program 1 times [2024-10-24 13:43:25,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 13:43:25,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743692792] [2024-10-24 13:43:25,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:43:25,262 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 [2024-10-24 13:43:25,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 13:43:25,274 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-10-24 13:43:25,276 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 (3)] Waiting until timeout for monitored process [2024-10-24 13:43:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:25,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 13:43:25,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:43:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 13:43:25,702 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:43:25,702 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 13:43:25,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743692792] [2024-10-24 13:43:25,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743692792] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:43:25,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:43:25,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:43:25,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430023066] [2024-10-24 13:43:25,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:43:25,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:43:25,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 13:43:25,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:43:25,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:43:25,706 INFO L87 Difference]: Start difference. First operand 111 states and 149 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 13:43:27,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:43:27,494 INFO L93 Difference]: Finished difference Result 211 states and 287 transitions. [2024-10-24 13:43:27,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:43:27,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2024-10-24 13:43:27,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:43:27,496 INFO L225 Difference]: With dead ends: 211 [2024-10-24 13:43:27,496 INFO L226 Difference]: Without dead ends: 113 [2024-10-24 13:43:27,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:43:27,498 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:43:27,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 351 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 13:43:27,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-24 13:43:27,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-10-24 13:43:27,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 13:43:27,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 151 transitions. [2024-10-24 13:43:27,516 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 151 transitions. Word has length 45 [2024-10-24 13:43:27,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:43:27,518 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 151 transitions. [2024-10-24 13:43:27,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 13:43:27,518 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 151 transitions. [2024-10-24 13:43:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-24 13:43:27,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:43:27,522 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:43:27,533 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 (3)] Ended with exit code 0 [2024-10-24 13:43:27,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-10-24 13:43:27,723 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:43:27,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:43:27,724 INFO L85 PathProgramCache]: Analyzing trace with hash -651925221, now seen corresponding path program 1 times [2024-10-24 13:43:27,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 13:43:27,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8121435] [2024-10-24 13:43:27,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:43:27,725 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 [2024-10-24 13:43:27,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 13:43:27,729 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-10-24 13:43:27,731 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 (4)] Waiting until timeout for monitored process [2024-10-24 13:43:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:43:28,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 13:43:28,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:43:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 13:43:28,213 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:43:28,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 13:43:28,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [8121435] [2024-10-24 13:43:28,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [8121435] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:43:28,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:43:28,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 13:43:28,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602211752] [2024-10-24 13:43:28,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:43:28,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:43:28,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 13:43:28,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:43:28,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:43:28,217 INFO L87 Difference]: Start difference. First operand 113 states and 151 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 13:43:29,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:43:29,076 INFO L93 Difference]: Finished difference Result 113 states and 151 transitions. [2024-10-24 13:43:29,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:43:29,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-10-24 13:43:29,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:43:29,077 INFO L225 Difference]: With dead ends: 113 [2024-10-24 13:43:29,077 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 13:43:29,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:43:29,079 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 74 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:43:29,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 92 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 13:43:29,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 13:43:29,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 13:43:29,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:43:29,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 13:43:29,081 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2024-10-24 13:43:29,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:43:29,081 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 13:43:29,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 13:43:29,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 13:43:29,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 13:43:29,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 13:43:29,094 INFO L540 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 (4)] Forceful destruction successful, exit code 0 [2024-10-24 13:43:29,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-10-24 13:43:29,291 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-24 13:43:29,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 13:43:29,464 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 13:43:29,482 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_ACTIVE [2024-10-24 13:43:29,482 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_RESUMING [2024-10-24 13:43:29,483 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDED [2024-10-24 13:43:29,483 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDING [2024-10-24 13:43:29,483 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_NONE [2024-10-24 13:43:29,483 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_IDLE [2024-10-24 13:43:29,483 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_SUSPEND [2024-10-24 13:43:29,483 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_AUTOSUSPEND [2024-10-24 13:43:29,484 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_RESUME [2024-10-24 13:43:29,484 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NONE [2024-10-24 13:43:29,484 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NET [2024-10-24 13:43:29,484 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPES [2024-10-24 13:43:29,484 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_LIVE [2024-10-24 13:43:29,485 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_COMING [2024-10-24 13:43:29,485 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_GOING [2024-10-24 13:43:29,485 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_UNFORMED [2024-10-24 13:43:29,485 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PID [2024-10-24 13:43:29,485 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PGID [2024-10-24 13:43:29,485 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_SID [2024-10-24 13:43:29,486 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_MAX [2024-10-24 13:43:29,486 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_ASYNC [2024-10-24 13:43:29,486 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_SYNC_LIGHT [2024-10-24 13:43:29,486 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_SYNC [2024-10-24 13:43:29,486 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~quota_type~0~USRQUOTA [2024-10-24 13:43:29,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~quota_type~0~GRPQUOTA [2024-10-24 13:43:29,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~quota_type~0~PRJQUOTA [2024-10-24 13:43:29,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_OTHER [2024-10-24 13:43:29,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_USBMOUSE [2024-10-24 13:43:29,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_USBNONE [2024-10-24 13:43:29,492 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.lib.proofs.floydhoare.FloydHoareUtils.createProcedureContractResults(FloydHoareUtils.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) 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) [2024-10-24 13:43:29,495 INFO L158 Benchmark]: Toolchain (without parser) took 9384.87ms. Allocated memory was 67.1MB in the beginning and 125.8MB in the end (delta: 58.7MB). Free memory was 41.0MB in the beginning and 44.7MB in the end (delta: -3.6MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-10-24 13:43:29,496 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 44.0MB. Free memory was 20.6MB in the beginning and 20.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 13:43:29,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1111.43ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 40.9MB in the beginning and 39.2MB in the end (delta: 1.6MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-10-24 13:43:29,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.06ms. Allocated memory is still 86.0MB. Free memory was 39.2MB in the beginning and 34.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 13:43:29,497 INFO L158 Benchmark]: Boogie Preprocessor took 171.54ms. Allocated memory is still 86.0MB. Free memory was 34.6MB in the beginning and 47.1MB in the end (delta: -12.5MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-10-24 13:43:29,497 INFO L158 Benchmark]: RCFGBuilder took 1627.42ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.1MB in the beginning and 40.7MB in the end (delta: 6.4MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-10-24 13:43:29,497 INFO L158 Benchmark]: TraceAbstraction took 6384.05ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 40.1MB in the beginning and 44.7MB in the end (delta: -4.5MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-10-24 13:43:29,499 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 44.0MB. Free memory was 20.6MB in the beginning and 20.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1111.43ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 40.9MB in the beginning and 39.2MB in the end (delta: 1.6MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.06ms. Allocated memory is still 86.0MB. Free memory was 39.2MB in the beginning and 34.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.54ms. Allocated memory is still 86.0MB. Free memory was 34.6MB in the beginning and 47.1MB in the end (delta: -12.5MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1627.42ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.1MB in the beginning and 40.7MB in the end (delta: 6.4MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6384.05ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 40.1MB in the beginning and 44.7MB in the end (delta: -4.5MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2477]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2477] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_ACTIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_RESUMING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_status~0~RPM_SUSPENDING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_IDLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_SUSPEND - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_AUTOSUSPEND - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~rpm_request~0~RPM_REQ_RESUME - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NONE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPE_NET - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~kobj_ns_type~0~KOBJ_NS_TYPES - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_LIVE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_COMING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_GOING - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~module_state~0~MODULE_STATE_UNFORMED - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_SID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pid_type~0~PIDTYPE_MAX - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_ASYNC - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_SYNC_LIGHT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~migrate_mode~0~MIGRATE_SYNC - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~quota_type~0~USRQUOTA - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~quota_type~0~GRPQUOTA - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~quota_type~0~PRJQUOTA - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_OTHER - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_USBMOUSE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~hid_type~0~HID_TYPE_USBNONE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2556]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 119 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 673 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 371 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 302 mSDtfsCounter, 184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1195 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2639]: Location Invariant Derived location invariant: 1 - InvariantResult [Line: 2559]: Location Invariant Derived location invariant: 1 - ProcedureContractResult [Line: 2552]: Procedure Contract for ldv_error Derived contract for procedure ldv_error. Requires: 0 Ensures: (0 && (((((((((((((__this_module == \old(__this_module)) && (ldv_state_variable_1 == \old(ldv_state_variable_1))) && (LDV_IN_INTERRUPT == \old(LDV_IN_INTERRUPT))) && (ref_cnt == \old(ref_cnt))) && (ldv_state_variable_0 == \old(ldv_state_variable_0))) && (ax_driver_group0 == \old(ax_driver_group0))) && (hid_debug == \old(hid_debug))) && (ax_devices == \old(ax_devices))) && (__mod_hid__ax_devices_device_table == \old(__mod_hid__ax_devices_device_table))) && (ax_driver == \old(ax_driver))) && (ldv_retval_0 == \old(ldv_retval_0))) && (ldv_retval_1 == \old(ldv_retval_1))) && (ldv_spin == \old(ldv_spin)))) - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.FloydHoareUtils.createProcedureContractResults(FloydHoareUtils.java:181) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-24 13:43:29,538 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