./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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 15:17:01,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:17:01,626 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:17:01,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:17:01,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:17:01,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:17:01,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:17:01,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:17:01,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:17:01,648 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:17:01,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:17:01,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:17:01,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:17:01,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:17:01,650 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:17:01,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:17:01,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:17:01,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:17:01,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:17:01,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:17:01,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:17:01,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:17:01,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:17:01,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:17:01,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:17:01,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:17:01,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:17:01,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:17:01,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:17:01,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:17:01,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:17:01,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:17:01,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:17:01,658 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:17:01,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:17:01,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:17:01,659 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:17:01,659 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:17:01,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:17:01,660 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 [2024-10-11 15:17:01,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:17:01,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:17:01,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:17:01,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:17:01,842 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:17:01,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-10-11 15:17:03,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:17:03,541 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:17:03,543 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-10-11 15:17:03,574 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/155cc7064/6dba8b19a9c8450a97b5a4ce6ca485eb/FLAGf8823b63c [2024-10-11 15:17:03,617 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/155cc7064/6dba8b19a9c8450a97b5a4ce6ca485eb [2024-10-11 15:17:03,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:17:03,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:17:03,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:17:03,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:17:03,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:17:03,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:17:03" (1/1) ... [2024-10-11 15:17:03,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a505e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:03, skipping insertion in model container [2024-10-11 15:17:03,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:17:03" (1/1) ... [2024-10-11 15:17:03,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:17:04,390 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2024-10-11 15:17:04,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:17:04,484 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:17:04,679 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2024-10-11 15:17:04,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:17:04,741 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:17:04,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04 WrapperNode [2024-10-11 15:17:04,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:17:04,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:17:04,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:17:04,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:17:04,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04" (1/1) ... [2024-10-11 15:17:04,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04" (1/1) ... [2024-10-11 15:17:04,969 INFO L138 Inliner]: procedures = 167, calls = 930, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 2076 [2024-10-11 15:17:04,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:17:04,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:17:04,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:17:04,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:17:04,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04" (1/1) ... [2024-10-11 15:17:04,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04" (1/1) ... [2024-10-11 15:17:05,011 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04" (1/1) ... [2024-10-11 15:17:05,169 INFO L175 MemorySlicer]: Split 522 memory accesses to 18 slices as follows [2, 13, 13, 22, 13, 138, 6, 5, 20, 2, 14, 9, 33, 6, 2, 218, 2, 4]. 42 percent of accesses are in the largest equivalence class. The 193 initializations are split as follows [2, 13, 0, 22, 13, 0, 6, 5, 20, 0, 14, 0, 24, 0, 0, 70, 0, 4]. The 199 writes are split as follows [0, 0, 9, 0, 0, 136, 0, 0, 0, 0, 0, 0, 0, 5, 0, 49, 0, 0]. [2024-10-11 15:17:05,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04" (1/1) ... [2024-10-11 15:17:05,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04" (1/1) ... [2024-10-11 15:17:05,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04" (1/1) ... [2024-10-11 15:17:05,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04" (1/1) ... [2024-10-11 15:17:05,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04" (1/1) ... [2024-10-11 15:17:05,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04" (1/1) ... [2024-10-11 15:17:05,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:17:05,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:17:05,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:17:05,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:17:05,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04" (1/1) ... [2024-10-11 15:17:05,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:17:05,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:17:05,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:17:05,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:17:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2024-10-11 15:17:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2024-10-11 15:17:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-10-11 15:17:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-10-11 15:17:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-10-11 15:17:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-10-11 15:17:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2024-10-11 15:17:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2024-10-11 15:17:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-10-11 15:17:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-10-11 15:17:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-10-11 15:17:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-10-11 15:17:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-11 15:17:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-11 15:17:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-11 15:17:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-11 15:17:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-11 15:17:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-11 15:17:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-11 15:17:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-11 15:17:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-11 15:17:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2024-10-11 15:17:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2024-10-11 15:17:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-11 15:17:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-11 15:17:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-11 15:17:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-11 15:17:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-11 15:17:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-11 15:17:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-11 15:17:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-11 15:17:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-11 15:17:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-11 15:17:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-11 15:17:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-11 15:17:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-11 15:17:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:17:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:17:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:17:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:17:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:17:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:17:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:17:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:17:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:17:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:17:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:17:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 15:17:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 15:17:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 15:17:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 15:17:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 15:17:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 15:17:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-11 15:17:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2024-10-11 15:17:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2024-10-11 15:17:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-10-11 15:17:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-10-11 15:17:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:17:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:17:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:17:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:17:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:17:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:17:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:17:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-11 15:17:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-11 15:17:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-11 15:17:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-10-11 15:17:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-10-11 15:17:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-10-11 15:17:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-10-11 15:17:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-10-11 15:17:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-10-11 15:17:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-10-11 15:17:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-10-11 15:17:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:17:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:17:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:17:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:17:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:17:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:17:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:17:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-11 15:17:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-11 15:17:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-11 15:17:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-10-11 15:17:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-10-11 15:17:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-10-11 15:17:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-10-11 15:17:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-10-11 15:17:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-10-11 15:17:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-10-11 15:17:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-10-11 15:17:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:17:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:17:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-10-11 15:17:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-10-11 15:17:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2024-10-11 15:17:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2024-10-11 15:17:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2024-10-11 15:17:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2024-10-11 15:17:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:17:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:17:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:17:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-11 15:17:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2024-10-11 15:17:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2024-10-11 15:17:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-11 15:17:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-11 15:17:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2024-10-11 15:17:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2024-10-11 15:17:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:17:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2024-10-11 15:17:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2024-10-11 15:17:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-11 15:17:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-11 15:17:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2024-10-11 15:17:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2024-10-11 15:17:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-11 15:17:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-11 15:17:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2024-10-11 15:17:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2024-10-11 15:17:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2024-10-11 15:17:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2024-10-11 15:17:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:17:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2024-10-11 15:17:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2024-10-11 15:17:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2024-10-11 15:17:05,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2024-10-11 15:17:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2024-10-11 15:17:05,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2024-10-11 15:17:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-11 15:17:05,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-11 15:17:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:17:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:17:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:17:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:17:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:17:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:17:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:17:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:17:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:17:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:17:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:17:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:17:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 15:17:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 15:17:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 15:17:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-11 15:17:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-11 15:17:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-11 15:17:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-11 15:17:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2024-10-11 15:17:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2024-10-11 15:17:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2024-10-11 15:17:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2024-10-11 15:17:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:17:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:17:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:17:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:17:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:17:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:17:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:17:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:17:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:17:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:17:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:17:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 15:17:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 15:17:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 15:17:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-11 15:17:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-11 15:17:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-11 15:17:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2024-10-11 15:17:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2024-10-11 15:17:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2024-10-11 15:17:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2024-10-11 15:17:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:17:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:17:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:17:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:17:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 15:17:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 15:17:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 15:17:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 15:17:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-11 15:17:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-11 15:17:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-11 15:17:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-11 15:17:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-10-11 15:17:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-10-11 15:17:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-10-11 15:17:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-10-11 15:17:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:17:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:17:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-10-11 15:17:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-10-11 15:17:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2024-10-11 15:17:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2024-10-11 15:17:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-10-11 15:17:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-10-11 15:17:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-10-11 15:17:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-10-11 15:17:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2024-10-11 15:17:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 15:17:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2024-10-11 15:17:05,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-10-11 15:17:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:17:05,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:17:05,420 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2024-10-11 15:17:05,420 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2024-10-11 15:17:05,887 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:17:05,896 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:17:10,055 INFO L? ?]: Removed 952 outVars from TransFormulas that were not future-live. [2024-10-11 15:17:10,055 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:17:10,158 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:17:10,159 INFO L314 CfgBuilder]: Removed 7 assume(true) statements. [2024-10-11 15:17:10,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:17:10 BoogieIcfgContainer [2024-10-11 15:17:10,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:17:10,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:17:10,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:17:10,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:17:10,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:17:03" (1/3) ... [2024-10-11 15:17:10,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4e0db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:17:10, skipping insertion in model container [2024-10-11 15:17:10,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:04" (2/3) ... [2024-10-11 15:17:10,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4e0db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:17:10, skipping insertion in model container [2024-10-11 15:17:10,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:17:10" (3/3) ... [2024-10-11 15:17:10,169 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-10-11 15:17:10,181 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:17:10,182 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 15:17:10,244 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:17:10,248 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;@3e39efc9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:17:10,249 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 15:17:10,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 750 states, 531 states have (on average 1.4557438794726931) internal successors, (773), 555 states have internal predecessors, (773), 175 states have call successors, (175), 47 states have call predecessors, (175), 47 states have return successors, (175), 170 states have call predecessors, (175), 175 states have call successors, (175) [2024-10-11 15:17:10,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 15:17:10,265 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:10,265 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:17:10,266 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:10,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:10,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1329863063, now seen corresponding path program 1 times [2024-10-11 15:17:10,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:10,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193362208] [2024-10-11 15:17:10,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:10,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:17:10,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:10,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193362208] [2024-10-11 15:17:10,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193362208] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:10,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:17:10,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 15:17:10,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161567949] [2024-10-11 15:17:10,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:10,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:10,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:10,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:10,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:17:10,708 INFO L87 Difference]: Start difference. First operand has 750 states, 531 states have (on average 1.4557438794726931) internal successors, (773), 555 states have internal predecessors, (773), 175 states have call successors, (175), 47 states have call predecessors, (175), 47 states have return successors, (175), 170 states have call predecessors, (175), 175 states have call successors, (175) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 15:17:11,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:11,084 INFO L93 Difference]: Finished difference Result 2160 states and 3321 transitions. [2024-10-11 15:17:11,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:11,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-11 15:17:11,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:11,103 INFO L225 Difference]: With dead ends: 2160 [2024-10-11 15:17:11,104 INFO L226 Difference]: Without dead ends: 1407 [2024-10-11 15:17:11,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:17:11,114 INFO L432 NwaCegarLoop]: 996 mSDtfsCounter, 991 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 1971 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:11,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [991 Valid, 1971 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 15:17:11,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2024-10-11 15:17:11,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1395. [2024-10-11 15:17:11,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 990 states have (on average 1.4424242424242424) internal successors, (1428), 1022 states have internal predecessors, (1428), 318 states have call successors, (318), 87 states have call predecessors, (318), 86 states have return successors, (312), 301 states have call predecessors, (312), 312 states have call successors, (312) [2024-10-11 15:17:11,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 2058 transitions. [2024-10-11 15:17:11,220 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 2058 transitions. Word has length 14 [2024-10-11 15:17:11,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:11,220 INFO L471 AbstractCegarLoop]: Abstraction has 1395 states and 2058 transitions. [2024-10-11 15:17:11,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 15:17:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 2058 transitions. [2024-10-11 15:17:11,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 15:17:11,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:11,222 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:17:11,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:17:11,223 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:11,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:11,223 INFO L85 PathProgramCache]: Analyzing trace with hash -819276253, now seen corresponding path program 1 times [2024-10-11 15:17:11,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:11,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112942390] [2024-10-11 15:17:11,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:11,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:11,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 15:17:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:17:11,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:11,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112942390] [2024-10-11 15:17:11,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112942390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:11,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:17:11,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 15:17:11,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707334724] [2024-10-11 15:17:11,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:11,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:11,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:11,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:11,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:17:11,347 INFO L87 Difference]: Start difference. First operand 1395 states and 2058 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:17:11,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:11,646 INFO L93 Difference]: Finished difference Result 3856 states and 5677 transitions. [2024-10-11 15:17:11,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:11,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-10-11 15:17:11,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:11,660 INFO L225 Difference]: With dead ends: 3856 [2024-10-11 15:17:11,660 INFO L226 Difference]: Without dead ends: 2462 [2024-10-11 15:17:11,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:17:11,666 INFO L432 NwaCegarLoop]: 1084 mSDtfsCounter, 1040 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:11,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 1861 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 15:17:11,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2024-10-11 15:17:11,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 2444. [2024-10-11 15:17:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2444 states, 1705 states have (on average 1.4375366568914956) internal successors, (2451), 1762 states have internal predecessors, (2451), 575 states have call successors, (575), 164 states have call predecessors, (575), 163 states have return successors, (569), 549 states have call predecessors, (569), 569 states have call successors, (569) [2024-10-11 15:17:11,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 3595 transitions. [2024-10-11 15:17:11,832 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 3595 transitions. Word has length 16 [2024-10-11 15:17:11,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:11,833 INFO L471 AbstractCegarLoop]: Abstraction has 2444 states and 3595 transitions. [2024-10-11 15:17:11,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:17:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 3595 transitions. [2024-10-11 15:17:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 15:17:11,834 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:11,834 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:17:11,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:17:11,835 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:11,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:11,835 INFO L85 PathProgramCache]: Analyzing trace with hash -829246316, now seen corresponding path program 1 times [2024-10-11 15:17:11,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:11,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922477309] [2024-10-11 15:17:11,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:11,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:17:11,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:11,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922477309] [2024-10-11 15:17:11,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922477309] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:11,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:17:11,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 15:17:11,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347908081] [2024-10-11 15:17:11,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:11,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:11,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:11,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:11,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:17:11,923 INFO L87 Difference]: Start difference. First operand 2444 states and 3595 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 15:17:12,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:12,157 INFO L93 Difference]: Finished difference Result 4887 states and 7189 transitions. [2024-10-11 15:17:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:12,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-10-11 15:17:12,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:12,173 INFO L225 Difference]: With dead ends: 4887 [2024-10-11 15:17:12,174 INFO L226 Difference]: Without dead ends: 2444 [2024-10-11 15:17:12,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:17:12,184 INFO L432 NwaCegarLoop]: 992 mSDtfsCounter, 1068 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1068 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:12,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1068 Valid, 992 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 15:17:12,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2444 states. [2024-10-11 15:17:12,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2444 to 2444. [2024-10-11 15:17:12,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2444 states, 1705 states have (on average 1.4363636363636363) internal successors, (2449), 1762 states have internal predecessors, (2449), 575 states have call successors, (575), 164 states have call predecessors, (575), 163 states have return successors, (569), 549 states have call predecessors, (569), 569 states have call successors, (569) [2024-10-11 15:17:12,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 3593 transitions. [2024-10-11 15:17:12,281 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 3593 transitions. Word has length 16 [2024-10-11 15:17:12,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:12,282 INFO L471 AbstractCegarLoop]: Abstraction has 2444 states and 3593 transitions. [2024-10-11 15:17:12,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 15:17:12,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 3593 transitions. [2024-10-11 15:17:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 15:17:12,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:12,284 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] [2024-10-11 15:17:12,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:17:12,285 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:12,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:12,285 INFO L85 PathProgramCache]: Analyzing trace with hash 214488758, now seen corresponding path program 1 times [2024-10-11 15:17:12,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:12,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050589445] [2024-10-11 15:17:12,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:12,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:12,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 15:17:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:17:12,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:12,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050589445] [2024-10-11 15:17:12,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050589445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:12,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:17:12,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 15:17:12,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801382321] [2024-10-11 15:17:12,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:12,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:12,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:12,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:12,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:17:12,455 INFO L87 Difference]: Start difference. First operand 2444 states and 3593 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:17:12,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:12,962 INFO L93 Difference]: Finished difference Result 4905 states and 7213 transitions. [2024-10-11 15:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:12,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-10-11 15:17:12,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:12,985 INFO L225 Difference]: With dead ends: 4905 [2024-10-11 15:17:12,986 INFO L226 Difference]: Without dead ends: 2462 [2024-10-11 15:17:12,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:17:13,002 INFO L432 NwaCegarLoop]: 990 mSDtfsCounter, 12 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1979 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:13,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1979 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 15:17:13,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2024-10-11 15:17:13,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 2446. [2024-10-11 15:17:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2446 states, 1707 states have (on average 1.4358523725834798) internal successors, (2451), 1764 states have internal predecessors, (2451), 575 states have call successors, (575), 164 states have call predecessors, (575), 163 states have return successors, (569), 549 states have call predecessors, (569), 569 states have call successors, (569) [2024-10-11 15:17:13,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2446 states and 3595 transitions. [2024-10-11 15:17:13,140 INFO L78 Accepts]: Start accepts. Automaton has 2446 states and 3595 transitions. Word has length 26 [2024-10-11 15:17:13,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:13,144 INFO L471 AbstractCegarLoop]: Abstraction has 2446 states and 3595 transitions. [2024-10-11 15:17:13,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:17:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 3595 transitions. [2024-10-11 15:17:13,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 15:17:13,146 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:13,146 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] [2024-10-11 15:17:13,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 15:17:13,146 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:13,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:13,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1995427829, now seen corresponding path program 1 times [2024-10-11 15:17:13,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:13,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528712242] [2024-10-11 15:17:13,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:13,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:13,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:17:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:17:13,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:13,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528712242] [2024-10-11 15:17:13,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528712242] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:17:13,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366505682] [2024-10-11 15:17:13,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:13,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:13,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:17:13,452 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:17:13,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 15:17:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:13,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 15:17:13,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:17:13,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 15:17:13,952 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:17:13,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366505682] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:13,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:17:13,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-11 15:17:13,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74530225] [2024-10-11 15:17:13,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:13,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:13,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:13,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:13,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:13,954 INFO L87 Difference]: Start difference. First operand 2446 states and 3595 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:17:14,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:14,185 INFO L93 Difference]: Finished difference Result 4921 states and 7239 transitions. [2024-10-11 15:17:14,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:14,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-10-11 15:17:14,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:14,199 INFO L225 Difference]: With dead ends: 4921 [2024-10-11 15:17:14,200 INFO L226 Difference]: Without dead ends: 2476 [2024-10-11 15:17:14,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:14,211 INFO L432 NwaCegarLoop]: 1003 mSDtfsCounter, 13 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1992 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:14,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1992 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 15:17:14,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2476 states. [2024-10-11 15:17:14,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2476 to 2450. [2024-10-11 15:17:14,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2450 states, 1711 states have (on average 1.4348334307422559) internal successors, (2455), 1768 states have internal predecessors, (2455), 575 states have call successors, (575), 164 states have call predecessors, (575), 163 states have return successors, (569), 549 states have call predecessors, (569), 569 states have call successors, (569) [2024-10-11 15:17:14,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 2450 states and 3599 transitions. [2024-10-11 15:17:14,317 INFO L78 Accepts]: Start accepts. Automaton has 2450 states and 3599 transitions. Word has length 29 [2024-10-11 15:17:14,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:14,317 INFO L471 AbstractCegarLoop]: Abstraction has 2450 states and 3599 transitions. [2024-10-11 15:17:14,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:17:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 3599 transitions. [2024-10-11 15:17:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 15:17:14,319 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:14,319 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, 1] [2024-10-11 15:17:14,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 15:17:14,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:14,524 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:14,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:14,525 INFO L85 PathProgramCache]: Analyzing trace with hash 2138528497, now seen corresponding path program 1 times [2024-10-11 15:17:14,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:14,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755711232] [2024-10-11 15:17:14,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:14,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:14,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:17:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:14,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 15:17:14,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:14,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755711232] [2024-10-11 15:17:14,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755711232] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:17:14,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791169305] [2024-10-11 15:17:14,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:14,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:14,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:17:14,677 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:17:14,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 15:17:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:15,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 15:17:15,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:17:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 15:17:15,146 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:17:15,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791169305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:15,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:17:15,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-11 15:17:15,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664741448] [2024-10-11 15:17:15,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:15,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:15,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:15,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:15,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:15,149 INFO L87 Difference]: Start difference. First operand 2450 states and 3599 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:17:15,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:15,442 INFO L93 Difference]: Finished difference Result 7302 states and 10721 transitions. [2024-10-11 15:17:15,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:15,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-10-11 15:17:15,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:15,468 INFO L225 Difference]: With dead ends: 7302 [2024-10-11 15:17:15,468 INFO L226 Difference]: Without dead ends: 4853 [2024-10-11 15:17:15,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:15,480 INFO L432 NwaCegarLoop]: 1227 mSDtfsCounter, 1044 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 2201 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:15,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1044 Valid, 2201 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 15:17:15,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4853 states. [2024-10-11 15:17:15,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4853 to 3770. [2024-10-11 15:17:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3770 states, 2651 states have (on average 1.4334213504337985) internal successors, (3800), 2734 states have internal predecessors, (3800), 869 states have call successors, (869), 250 states have call predecessors, (869), 249 states have return successors, (863), 833 states have call predecessors, (863), 863 states have call successors, (863) [2024-10-11 15:17:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 3770 states and 5532 transitions. [2024-10-11 15:17:15,617 INFO L78 Accepts]: Start accepts. Automaton has 3770 states and 5532 transitions. Word has length 32 [2024-10-11 15:17:15,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:15,618 INFO L471 AbstractCegarLoop]: Abstraction has 3770 states and 5532 transitions. [2024-10-11 15:17:15,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:17:15,618 INFO L276 IsEmpty]: Start isEmpty. Operand 3770 states and 5532 transitions. [2024-10-11 15:17:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 15:17:15,619 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:15,619 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, 1, 1] [2024-10-11 15:17:15,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 15:17:15,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:15,821 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:15,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:15,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1727101949, now seen corresponding path program 1 times [2024-10-11 15:17:15,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:15,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842573990] [2024-10-11 15:17:15,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:15,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:15,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:17:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:15,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 15:17:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:15,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:17:15,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:15,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842573990] [2024-10-11 15:17:15,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842573990] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:17:15,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140580258] [2024-10-11 15:17:15,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:15,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:15,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:17:16,001 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:17:16,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 15:17:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:16,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 15:17:16,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:17:16,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 15:17:16,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:17:16,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140580258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:16,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:17:16,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-11 15:17:16,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117023670] [2024-10-11 15:17:16,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:16,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:16,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:16,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:16,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:16,471 INFO L87 Difference]: Start difference. First operand 3770 states and 5532 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 15:17:16,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:16,739 INFO L93 Difference]: Finished difference Result 7567 states and 11111 transitions. [2024-10-11 15:17:16,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:16,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (3), 2 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 33 [2024-10-11 15:17:16,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:16,763 INFO L225 Difference]: With dead ends: 7567 [2024-10-11 15:17:16,764 INFO L226 Difference]: Without dead ends: 3798 [2024-10-11 15:17:16,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:16,780 INFO L432 NwaCegarLoop]: 990 mSDtfsCounter, 20 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1964 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:16,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1964 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 15:17:16,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3798 states. [2024-10-11 15:17:16,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3798 to 3798. [2024-10-11 15:17:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3798 states, 2673 states have (on average 1.433595211372989) internal successors, (3832), 2756 states have internal predecessors, (3832), 875 states have call successors, (875), 250 states have call predecessors, (875), 249 states have return successors, (869), 839 states have call predecessors, (869), 869 states have call successors, (869) [2024-10-11 15:17:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 3798 states and 5576 transitions. [2024-10-11 15:17:17,020 INFO L78 Accepts]: Start accepts. Automaton has 3798 states and 5576 transitions. Word has length 33 [2024-10-11 15:17:17,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:17,021 INFO L471 AbstractCegarLoop]: Abstraction has 3798 states and 5576 transitions. [2024-10-11 15:17:17,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 15:17:17,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3798 states and 5576 transitions. [2024-10-11 15:17:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 15:17:17,023 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:17,023 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-11 15:17:17,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 15:17:17,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:17,229 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:17,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:17,230 INFO L85 PathProgramCache]: Analyzing trace with hash 2094928915, now seen corresponding path program 1 times [2024-10-11 15:17:17,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:17,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876270719] [2024-10-11 15:17:17,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:17,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:17,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:17:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:17,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 15:17:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:17,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 15:17:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:17,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:17:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:17,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 15:17:17,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:17,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876270719] [2024-10-11 15:17:17,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876270719] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:17:17,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348293826] [2024-10-11 15:17:17,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:17,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:17,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:17:17,394 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:17:17,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 15:17:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:17,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 15:17:17,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:17:17,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 15:17:17,873 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:17:17,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348293826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:17,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:17:17,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-11 15:17:17,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514243373] [2024-10-11 15:17:17,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:17,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:17,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:17,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:17,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:17,875 INFO L87 Difference]: Start difference. First operand 3798 states and 5576 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 15:17:18,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:18,045 INFO L93 Difference]: Finished difference Result 3820 states and 5602 transitions. [2024-10-11 15:17:18,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:18,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2024-10-11 15:17:18,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:18,063 INFO L225 Difference]: With dead ends: 3820 [2024-10-11 15:17:18,063 INFO L226 Difference]: Without dead ends: 3809 [2024-10-11 15:17:18,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:18,066 INFO L432 NwaCegarLoop]: 1005 mSDtfsCounter, 1071 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:18,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 1018 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 15:17:18,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3809 states. [2024-10-11 15:17:18,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3809 to 3798. [2024-10-11 15:17:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3798 states, 2673 states have (on average 1.4332210998877666) internal successors, (3831), 2756 states have internal predecessors, (3831), 875 states have call successors, (875), 250 states have call predecessors, (875), 249 states have return successors, (869), 839 states have call predecessors, (869), 869 states have call successors, (869) [2024-10-11 15:17:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 3798 states and 5575 transitions. [2024-10-11 15:17:18,208 INFO L78 Accepts]: Start accepts. Automaton has 3798 states and 5575 transitions. Word has length 43 [2024-10-11 15:17:18,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:18,209 INFO L471 AbstractCegarLoop]: Abstraction has 3798 states and 5575 transitions. [2024-10-11 15:17:18,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 15:17:18,210 INFO L276 IsEmpty]: Start isEmpty. Operand 3798 states and 5575 transitions. [2024-10-11 15:17:18,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 15:17:18,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:18,212 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-10-11 15:17:18,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 15:17:18,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 15:17:18,413 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:18,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:18,414 INFO L85 PathProgramCache]: Analyzing trace with hash -2142780079, now seen corresponding path program 1 times [2024-10-11 15:17:18,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:18,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197900715] [2024-10-11 15:17:18,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:18,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:18,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:17:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:18,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 15:17:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:18,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 15:17:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:18,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:17:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 15:17:18,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:18,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197900715] [2024-10-11 15:17:18,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197900715] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:17:18,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110909865] [2024-10-11 15:17:18,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:18,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:18,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:17:18,562 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:17:18,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 15:17:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:19,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 1190 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 15:17:19,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:17:19,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 15:17:19,076 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:17:19,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110909865] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:19,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:17:19,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 15:17:19,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353408750] [2024-10-11 15:17:19,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:19,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:19,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:19,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:19,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:19,078 INFO L87 Difference]: Start difference. First operand 3798 states and 5575 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 15:17:19,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:19,295 INFO L93 Difference]: Finished difference Result 3800 states and 5576 transitions. [2024-10-11 15:17:19,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:19,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2024-10-11 15:17:19,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:19,311 INFO L225 Difference]: With dead ends: 3800 [2024-10-11 15:17:19,312 INFO L226 Difference]: Without dead ends: 3797 [2024-10-11 15:17:19,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:19,313 INFO L432 NwaCegarLoop]: 990 mSDtfsCounter, 1035 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:19,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 990 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 15:17:19,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3797 states. [2024-10-11 15:17:19,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3797 to 3797. [2024-10-11 15:17:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3797 states, 2673 states have (on average 1.4328469884025439) internal successors, (3830), 2755 states have internal predecessors, (3830), 874 states have call successors, (874), 250 states have call predecessors, (874), 249 states have return successors, (869), 839 states have call predecessors, (869), 869 states have call successors, (869) [2024-10-11 15:17:19,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 3797 states and 5573 transitions. [2024-10-11 15:17:19,436 INFO L78 Accepts]: Start accepts. Automaton has 3797 states and 5573 transitions. Word has length 43 [2024-10-11 15:17:19,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:19,436 INFO L471 AbstractCegarLoop]: Abstraction has 3797 states and 5573 transitions. [2024-10-11 15:17:19,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 15:17:19,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3797 states and 5573 transitions. [2024-10-11 15:17:19,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 15:17:19,438 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:19,438 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1] [2024-10-11 15:17:19,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 15:17:19,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:19,639 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:19,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:19,640 INFO L85 PathProgramCache]: Analyzing trace with hash -2002012083, now seen corresponding path program 1 times [2024-10-11 15:17:19,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:19,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817143353] [2024-10-11 15:17:19,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:19,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:19,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:17:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:19,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 15:17:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:19,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 15:17:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:19,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:17:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 15:17:19,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:19,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817143353] [2024-10-11 15:17:19,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817143353] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:17:19,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116193484] [2024-10-11 15:17:19,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:19,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:19,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:17:19,743 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:17:19,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 15:17:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:20,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 15:17:20,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:17:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 15:17:20,237 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:17:20,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116193484] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:20,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:17:20,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 15:17:20,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788220369] [2024-10-11 15:17:20,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:20,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:20,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:20,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:20,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:20,239 INFO L87 Difference]: Start difference. First operand 3797 states and 5573 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 15:17:20,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:20,413 INFO L93 Difference]: Finished difference Result 3799 states and 5574 transitions. [2024-10-11 15:17:20,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:20,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2024-10-11 15:17:20,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:20,428 INFO L225 Difference]: With dead ends: 3799 [2024-10-11 15:17:20,428 INFO L226 Difference]: Without dead ends: 3796 [2024-10-11 15:17:20,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:20,430 INFO L432 NwaCegarLoop]: 988 mSDtfsCounter, 1032 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:20,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 988 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 15:17:20,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3796 states. [2024-10-11 15:17:20,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3796 to 3796. [2024-10-11 15:17:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3796 states, 2673 states have (on average 1.4324728769173214) internal successors, (3829), 2754 states have internal predecessors, (3829), 873 states have call successors, (873), 250 states have call predecessors, (873), 249 states have return successors, (869), 839 states have call predecessors, (869), 869 states have call successors, (869) [2024-10-11 15:17:20,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 5571 transitions. [2024-10-11 15:17:20,561 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 5571 transitions. Word has length 44 [2024-10-11 15:17:20,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:20,561 INFO L471 AbstractCegarLoop]: Abstraction has 3796 states and 5571 transitions. [2024-10-11 15:17:20,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 15:17:20,561 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 5571 transitions. [2024-10-11 15:17:20,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 15:17:20,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:20,565 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2024-10-11 15:17:20,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 15:17:20,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 15:17:20,766 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:20,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:20,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1933166636, now seen corresponding path program 1 times [2024-10-11 15:17:20,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:20,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440132101] [2024-10-11 15:17:20,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:20,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:20,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:17:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:20,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 15:17:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:20,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 15:17:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:20,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:17:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:20,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 15:17:20,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:20,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440132101] [2024-10-11 15:17:20,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440132101] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:17:20,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139840935] [2024-10-11 15:17:20,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:20,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:20,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:17:20,881 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:17:20,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 15:17:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:21,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 15:17:21,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:17:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 15:17:21,405 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:17:21,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139840935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:21,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:17:21,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 15:17:21,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222297855] [2024-10-11 15:17:21,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:21,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:21,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:21,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:21,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:21,407 INFO L87 Difference]: Start difference. First operand 3796 states and 5571 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 15:17:21,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:21,607 INFO L93 Difference]: Finished difference Result 3798 states and 5572 transitions. [2024-10-11 15:17:21,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:21,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2024-10-11 15:17:21,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:21,630 INFO L225 Difference]: With dead ends: 3798 [2024-10-11 15:17:21,630 INFO L226 Difference]: Without dead ends: 3795 [2024-10-11 15:17:21,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:21,634 INFO L432 NwaCegarLoop]: 986 mSDtfsCounter, 1029 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:21,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 986 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 15:17:21,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3795 states. [2024-10-11 15:17:21,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3795 to 3795. [2024-10-11 15:17:21,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3795 states, 2673 states have (on average 1.4320987654320987) internal successors, (3828), 2753 states have internal predecessors, (3828), 872 states have call successors, (872), 250 states have call predecessors, (872), 249 states have return successors, (869), 839 states have call predecessors, (869), 869 states have call successors, (869) [2024-10-11 15:17:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3795 states to 3795 states and 5569 transitions. [2024-10-11 15:17:21,778 INFO L78 Accepts]: Start accepts. Automaton has 3795 states and 5569 transitions. Word has length 45 [2024-10-11 15:17:21,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:21,778 INFO L471 AbstractCegarLoop]: Abstraction has 3795 states and 5569 transitions. [2024-10-11 15:17:21,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 15:17:21,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3795 states and 5569 transitions. [2024-10-11 15:17:21,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-11 15:17:21,780 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:21,780 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2024-10-11 15:17:21,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 15:17:21,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:21,982 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:21,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:21,982 INFO L85 PathProgramCache]: Analyzing trace with hash 201047088, now seen corresponding path program 1 times [2024-10-11 15:17:21,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:21,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698036775] [2024-10-11 15:17:21,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:21,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:22,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:17:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:22,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 15:17:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:22,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 15:17:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:22,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:17:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:22,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 15:17:22,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:22,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698036775] [2024-10-11 15:17:22,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698036775] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:17:22,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835075757] [2024-10-11 15:17:22,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:22,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:22,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:17:22,243 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:17:22,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 15:17:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:22,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 1196 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 15:17:22,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:17:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 15:17:22,701 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:17:22,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835075757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:22,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:17:22,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 15:17:22,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166124381] [2024-10-11 15:17:22,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:22,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:22,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:22,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:22,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:22,702 INFO L87 Difference]: Start difference. First operand 3795 states and 5569 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 15:17:23,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:23,080 INFO L93 Difference]: Finished difference Result 3797 states and 5570 transitions. [2024-10-11 15:17:23,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:23,081 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 46 [2024-10-11 15:17:23,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:23,118 INFO L225 Difference]: With dead ends: 3797 [2024-10-11 15:17:23,118 INFO L226 Difference]: Without dead ends: 3773 [2024-10-11 15:17:23,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:17:23,122 INFO L432 NwaCegarLoop]: 982 mSDtfsCounter, 1001 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1001 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:23,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1001 Valid, 997 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 15:17:23,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2024-10-11 15:17:23,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 3773. [2024-10-11 15:17:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3773 states, 2659 states have (on average 1.4302369311771344) internal successors, (3803), 2737 states have internal predecessors, (3803), 867 states have call successors, (867), 247 states have call predecessors, (867), 246 states have return successors, (866), 836 states have call predecessors, (866), 866 states have call successors, (866) [2024-10-11 15:17:23,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3773 states and 5536 transitions. [2024-10-11 15:17:23,611 INFO L78 Accepts]: Start accepts. Automaton has 3773 states and 5536 transitions. Word has length 46 [2024-10-11 15:17:23,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:23,612 INFO L471 AbstractCegarLoop]: Abstraction has 3773 states and 5536 transitions. [2024-10-11 15:17:23,612 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 15:17:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3773 states and 5536 transitions. [2024-10-11 15:17:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-11 15:17:23,619 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:23,619 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:17:23,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 15:17:23,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 15:17:23,820 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:23,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:23,820 INFO L85 PathProgramCache]: Analyzing trace with hash -849142658, now seen corresponding path program 1 times [2024-10-11 15:17:23,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:23,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166704659] [2024-10-11 15:17:23,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:23,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:23,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:17:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:23,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 15:17:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:23,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 15:17:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:23,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:17:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:23,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 15:17:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:23,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 15:17:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 15:17:23,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:23,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166704659] [2024-10-11 15:17:24,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166704659] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:17:24,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113887410] [2024-10-11 15:17:24,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:24,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:24,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:17:24,003 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:17:24,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 15:17:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:24,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 15:17:24,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:17:24,481 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 15:17:24,481 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:17:24,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113887410] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:24,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:17:24,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-10-11 15:17:24,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011668569] [2024-10-11 15:17:24,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:24,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:24,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:24,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:24,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:17:24,483 INFO L87 Difference]: Start difference. First operand 3773 states and 5536 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 15:17:24,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:24,874 INFO L93 Difference]: Finished difference Result 9450 states and 13854 transitions. [2024-10-11 15:17:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:24,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 61 [2024-10-11 15:17:24,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:24,896 INFO L225 Difference]: With dead ends: 9450 [2024-10-11 15:17:24,897 INFO L226 Difference]: Without dead ends: 5678 [2024-10-11 15:17:24,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:17:24,910 INFO L432 NwaCegarLoop]: 956 mSDtfsCounter, 1014 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:24,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 1890 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 15:17:24,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5678 states. [2024-10-11 15:17:25,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5678 to 5675. [2024-10-11 15:17:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5675 states, 4008 states have (on average 1.4303892215568863) internal successors, (5733), 4125 states have internal predecessors, (5733), 1288 states have call successors, (1288), 379 states have call predecessors, (1288), 378 states have return successors, (1287), 1242 states have call predecessors, (1287), 1287 states have call successors, (1287) [2024-10-11 15:17:25,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5675 states to 5675 states and 8308 transitions. [2024-10-11 15:17:25,184 INFO L78 Accepts]: Start accepts. Automaton has 5675 states and 8308 transitions. Word has length 61 [2024-10-11 15:17:25,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:25,184 INFO L471 AbstractCegarLoop]: Abstraction has 5675 states and 8308 transitions. [2024-10-11 15:17:25,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 15:17:25,184 INFO L276 IsEmpty]: Start isEmpty. Operand 5675 states and 8308 transitions. [2024-10-11 15:17:25,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 15:17:25,188 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:25,188 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:17:25,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 15:17:25,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:25,389 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:25,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:25,389 INFO L85 PathProgramCache]: Analyzing trace with hash 331139712, now seen corresponding path program 1 times [2024-10-11 15:17:25,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:25,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794878469] [2024-10-11 15:17:25,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:25,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:25,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 15:17:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:25,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 15:17:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:25,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 15:17:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:25,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:17:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:25,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 15:17:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:25,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 15:17:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 15:17:25,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:25,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794878469] [2024-10-11 15:17:25,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794878469] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:17:25,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396318410] [2024-10-11 15:17:25,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:25,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:25,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:17:25,516 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:17:25,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 15:17:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:25,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 1297 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 15:17:25,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:17:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 15:17:25,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 15:17:26,055 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 15:17:26,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396318410] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 15:17:26,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 15:17:26,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2024-10-11 15:17:26,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045125088] [2024-10-11 15:17:26,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 15:17:26,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 15:17:26,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:26,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 15:17:26,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 15:17:26,056 INFO L87 Difference]: Start difference. First operand 5675 states and 8308 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-11 15:17:28,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:17:30,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:17:35,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:35,959 INFO L93 Difference]: Finished difference Result 11505 states and 16855 transitions. [2024-10-11 15:17:35,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:17:35,959 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 64 [2024-10-11 15:17:35,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:35,983 INFO L225 Difference]: With dead ends: 11505 [2024-10-11 15:17:35,984 INFO L226 Difference]: Without dead ends: 5831 [2024-10-11 15:17:36,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 15:17:36,002 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 592 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 2154 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:36,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 1375 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2154 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2024-10-11 15:17:36,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5831 states. [2024-10-11 15:17:36,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5831 to 5831. [2024-10-11 15:17:36,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5831 states, 4164 states have (on average 1.430115273775216) internal successors, (5955), 4281 states have internal predecessors, (5955), 1288 states have call successors, (1288), 379 states have call predecessors, (1288), 378 states have return successors, (1287), 1242 states have call predecessors, (1287), 1287 states have call successors, (1287) [2024-10-11 15:17:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5831 states to 5831 states and 8530 transitions. [2024-10-11 15:17:36,320 INFO L78 Accepts]: Start accepts. Automaton has 5831 states and 8530 transitions. Word has length 64 [2024-10-11 15:17:36,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:36,320 INFO L471 AbstractCegarLoop]: Abstraction has 5831 states and 8530 transitions. [2024-10-11 15:17:36,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-11 15:17:36,321 INFO L276 IsEmpty]: Start isEmpty. Operand 5831 states and 8530 transitions. [2024-10-11 15:17:36,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-11 15:17:36,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:36,325 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:17:36,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 15:17:36,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 15:17:36,526 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:36,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:36,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1115509813, now seen corresponding path program 2 times [2024-10-11 15:17:36,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:36,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059022140] [2024-10-11 15:17:36,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:36,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:36,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 15:17:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:36,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 15:17:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:36,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 15:17:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:36,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 15:17:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:36,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 15:17:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:36,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 15:17:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 15:17:36,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:36,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059022140] [2024-10-11 15:17:36,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059022140] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:17:36,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700808079] [2024-10-11 15:17:36,670 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 15:17:36,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:17:36,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:17:36,672 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:17:36,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 15:17:37,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 15:17:37,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 15:17:37,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 15:17:37,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:17:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 15:17:37,115 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:17:37,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700808079] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:37,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:17:37,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-10-11 15:17:37,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484094214] [2024-10-11 15:17:37,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:37,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:17:37,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:37,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:17:37,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:17:37,116 INFO L87 Difference]: Start difference. First operand 5831 states and 8530 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 15:17:37,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:37,529 INFO L93 Difference]: Finished difference Result 5831 states and 8530 transitions. [2024-10-11 15:17:37,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:17:37,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2024-10-11 15:17:37,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:37,536 INFO L225 Difference]: With dead ends: 5831 [2024-10-11 15:17:37,536 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 15:17:37,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:17:37,550 INFO L432 NwaCegarLoop]: 963 mSDtfsCounter, 11 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:37,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1912 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 15:17:37,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 15:17:37,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 15:17:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 15:17:37,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 15:17:37,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2024-10-11 15:17:37,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:37,559 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 15:17:37,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 15:17:37,560 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 15:17:37,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 15:17:37,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 15:17:37,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 15:17:37,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 15:17:37,766 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:17:37,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 15:18:02,086 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 15:18:02,098 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_state_variable_0~0 [2024-10-11 15:18:02,099 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-11 15:18:02,099 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unit~0 [2024-10-11 15:18:02,099 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-11 15:18:02,099 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-11 15:18:02,099 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-11 15:18:02,100 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-11 15:18:02,100 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-11 15:18:02,101 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-11 15:18:02,101 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-11 15:18:02,101 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-11 15:18:02,101 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-11 15:18:02,101 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-11 15:18:02,101 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-11 15:18:02,102 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-11 15:18:02,102 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-11 15:18:02,102 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-11 15:18:02,102 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-11 15:18:02,102 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-11 15:18:02,103 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-11 15:18:02,120 WARN L155 FloydHoareUtils]: Requires clause for ldv_mutex_lock_pcd_mutex contained old-variable. Original clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= |old(~ldv_mutex_pcd_mutex~0)| 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pcd_mutex~0 1)) Eliminated clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pcd_mutex~0 1)) [2024-10-11 15:18:02,124 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-11 15:18:02,124 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-11 15:18:02,124 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-11 15:18:02,124 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-11 15:18:02,124 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-11 15:18:02,124 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-11 15:18:02,125 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-11 15:18:02,125 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-11 15:18:02,125 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-11 15:18:02,125 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-11 15:18:02,125 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-11 15:18:02,125 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-11 15:18:02,144 WARN L155 FloydHoareUtils]: Requires clause for ldv_mutex_unlock_pcd_mutex contained old-variable. Original clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= 2 ~ldv_mutex_pcd_mutex~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= 2 |old(~ldv_mutex_pcd_mutex~0)|)) Eliminated clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= 2 ~ldv_mutex_pcd_mutex~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2024-10-11 15:18:02,149 WARN L155 FloydHoareUtils]: Requires clause for pcd_block_ioctl contained old-variable. Original clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= |old(~ldv_mutex_pcd_mutex~0)| 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pcd_mutex~0 1)) Eliminated clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pcd_mutex~0 1)) [2024-10-11 15:18:02,153 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-11 15:18:02,153 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-11 15:18:02,153 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-11 15:18:02,153 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-11 15:18:02,153 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-11 15:18:02,154 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-11 15:18:02,154 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-11 15:18:02,154 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-11 15:18:02,154 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-11 15:18:02,154 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-11 15:18:02,154 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-11 15:18:02,154 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-11 15:18:02,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 03:18:02 BoogieIcfgContainer [2024-10-11 15:18:02,160 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 15:18:02,161 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 15:18:02,161 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 15:18:02,161 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 15:18:02,162 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:17:10" (3/4) ... [2024-10-11 15:18:02,163 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 15:18:02,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_pcd_request [2024-10-11 15:18:02,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#12 [2024-10-11 15:18:02,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_wait [2024-10-11 15:18:02,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#11 [2024-10-11 15:18:02,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_atapi [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_audio_ioctl [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_pcd_mutex [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#17 [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_get_mcn [2024-10-11 15:18:02,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#16 [2024-10-11 15:18:02,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-10-11 15:18:02,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#15 [2024-10-11 15:18:02,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#14 [2024-10-11 15:18:02,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#13 [2024-10-11 15:18:02,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ps_set_intr [2024-10-11 15:18:02,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_packet [2024-10-11 15:18:02,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_drive_status [2024-10-11 15:18:02,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_identify [2024-10-11 15:18:02,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure next_request [2024-10-11 15:18:02,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2024-10-11 15:18:02,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-10-11 15:18:02,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-10-11 15:18:02,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_probe [2024-10-11 15:18:02,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_command [2024-10-11 15:18:02,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_completion [2024-10-11 15:18:02,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_drive_reset [2024-10-11 15:18:02,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2024-10-11 15:18:02,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_blkdev [2024-10-11 15:18:02,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_tray_move [2024-10-11 15:18:02,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2024-10-11 15:18:02,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-10-11 15:18:02,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_pcd_read [2024-10-11 15:18:02,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-10-11 15:18:02,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_check_events [2024-10-11 15:18:02,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-10-11 15:18:02,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2024-10-11 15:18:02,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pcd_mutex [2024-10-11 15:18:02,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_disk [2024-10-11 15:18:02,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2024-10-11 15:18:02,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure schedule_delayed_work [2024-10-11 15:18:02,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_reset [2024-10-11 15:18:02,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_block_ioctl [2024-10-11 15:18:02,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-10-11 15:18:02,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-10-11 15:18:02,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_lock_door [2024-10-11 15:18:02,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-10-11 15:18:02,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-10-11 15:18:02,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~~TO~VOID [2024-10-11 15:18:02,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-10-11 15:18:02,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-10-11 15:18:02,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-10-11 15:18:02,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_block_check_events [2024-10-11 15:18:02,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-10-11 15:18:02,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_do_claimed [2024-10-11 15:18:02,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_sleep [2024-10-11 15:18:02,202 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 338 nodes and edges [2024-10-11 15:18:02,206 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 132 nodes and edges [2024-10-11 15:18:02,208 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2024-10-11 15:18:02,211 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-11 15:18:02,214 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 15:18:02,216 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 15:18:02,221 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 15:18:02,457 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 15:18:02,458 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 15:18:02,458 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 15:18:02,458 INFO L158 Benchmark]: Toolchain (without parser) took 58836.93ms. Allocated memory was 138.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 107.2MB in the beginning and 799.8MB in the end (delta: -692.6MB). Peak memory consumption was 609.1MB. Max. memory is 16.1GB. [2024-10-11 15:18:02,459 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 15:18:02,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1119.49ms. Allocated memory was 138.4MB in the beginning and 218.1MB in the end (delta: 79.7MB). Free memory was 107.0MB in the beginning and 80.3MB in the end (delta: 26.7MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2024-10-11 15:18:02,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 227.27ms. Allocated memory is still 218.1MB. Free memory was 80.3MB in the beginning and 67.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 15:18:02,460 INFO L158 Benchmark]: Boogie Preprocessor took 343.09ms. Allocated memory is still 218.1MB. Free memory was 67.7MB in the beginning and 144.3MB in the end (delta: -76.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 15:18:02,461 INFO L158 Benchmark]: RCFGBuilder took 4843.78ms. Allocated memory was 218.1MB in the beginning and 408.9MB in the end (delta: 190.8MB). Free memory was 144.3MB in the beginning and 235.9MB in the end (delta: -91.6MB). Peak memory consumption was 108.7MB. Max. memory is 16.1GB. [2024-10-11 15:18:02,461 INFO L158 Benchmark]: TraceAbstraction took 51996.42ms. Allocated memory was 408.9MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 235.9MB in the beginning and 845.9MB in the end (delta: -610.0MB). Peak memory consumption was 777.3MB. Max. memory is 16.1GB. [2024-10-11 15:18:02,461 INFO L158 Benchmark]: Witness Printer took 296.83ms. Allocated memory is still 1.4GB. Free memory was 845.9MB in the beginning and 799.8MB in the end (delta: 46.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-10-11 15:18:02,462 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1119.49ms. Allocated memory was 138.4MB in the beginning and 218.1MB in the end (delta: 79.7MB). Free memory was 107.0MB in the beginning and 80.3MB in the end (delta: 26.7MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 227.27ms. Allocated memory is still 218.1MB. Free memory was 80.3MB in the beginning and 67.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 343.09ms. Allocated memory is still 218.1MB. Free memory was 67.7MB in the beginning and 144.3MB in the end (delta: -76.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4843.78ms. Allocated memory was 218.1MB in the beginning and 408.9MB in the end (delta: 190.8MB). Free memory was 144.3MB in the beginning and 235.9MB in the end (delta: -91.6MB). Peak memory consumption was 108.7MB. Max. memory is 16.1GB. * TraceAbstraction took 51996.42ms. Allocated memory was 408.9MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 235.9MB in the beginning and 845.9MB in the end (delta: -610.0MB). Peak memory consumption was 777.3MB. Max. memory is 16.1GB. * Witness Printer took 296.83ms. Allocated memory is still 1.4GB. Free memory was 845.9MB in the beginning and 799.8MB in the end (delta: 46.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_state_variable_0~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unit~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~disable~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~disable~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~disable~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~disable~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~disable~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~disable~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~disable~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 * 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: 5508]: 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 65 procedures, 818 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.6s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11084 SdHoareTripleChecker+Valid, 11.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10973 mSDsluCounter, 23116 SdHoareTripleChecker+Invalid, 11.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8570 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4058 IncrementalHoareTripleChecker+Invalid, 4142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 14546 mSDtfsCounter, 4058 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 706 GetRequests, 664 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5831occurred in iteration=14, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 1169 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1098 NumberOfCodeBlocks, 1051 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1135 ConstructedInterpolants, 0 QuantifiedInterpolants, 1685 SizeOfPredicates, 1 NumberOfNonLiveVariables, 13032 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 27 InterpolantComputations, 14 PerfectInterpolantSequences, 126/139 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: 3871]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 3997]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4063]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4797]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3757]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4227]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 3857]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4843]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 3871]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4227]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4463]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 3520]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4211]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4109]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 4795]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 3964]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 4269]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 3802]: Loop Invariant Derived loop invariant: ((((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (unit <= 3)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4026]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4653]: Procedure Contract for do_pcd_request Derived contract for procedure do_pcd_request. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 3864]: Procedure Contract for pcd_wait Derived contract for procedure pcd_wait. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 6053]: Procedure Contract for pi_release Derived contract for procedure pi_release. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4101]: Procedure Contract for pcd_atapi Derived contract for procedure pcd_atapi. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 3857]: Procedure Contract for write_reg Derived contract for procedure write_reg. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4876]: Procedure Contract for pcd_audio_ioctl Derived contract for procedure pcd_audio_ioctl. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 6036]: Procedure Contract for pi_disconnect Derived contract for procedure pi_disconnect. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 3843]: Procedure Contract for status_reg Derived contract for procedure status_reg. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 5865]: Procedure Contract for ldv_mutex_lock_pcd_mutex Derived contract for procedure ldv_mutex_lock_pcd_mutex. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (\old(ldv_mutex_pcd_mutex) == 1)) && (2 == ldv_mutex_pcd_mutex)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 4956]: Procedure Contract for pcd_get_mcn Derived contract for procedure pcd_get_mcn. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 5973]: Procedure Contract for __const_udelay Derived contract for procedure __const_udelay. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 3627]: Procedure Contract for ps_set_intr Derived contract for procedure ps_set_intr. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4135]: Procedure Contract for pcd_packet Derived contract for procedure pcd_packet. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4351]: Procedure Contract for pcd_drive_status Derived contract for procedure pcd_drive_status. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4389]: Procedure Contract for pcd_identify Derived contract for procedure pcd_identify. Requires: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4693]: Procedure Contract for next_request Derived contract for procedure next_request. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 3850]: Procedure Contract for read_reg Derived contract for procedure read_reg. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 3520]: Procedure Contract for spin_unlock_irqrestore Derived contract for procedure spin_unlock_irqrestore. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 5991]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4457]: Procedure Contract for pcd_probe Derived contract for procedure pcd_probe. Requires: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 3909]: Procedure Contract for pcd_command Derived contract for procedure pcd_command. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 3942]: Procedure Contract for pcd_completion Derived contract for procedure pcd_completion. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4295]: Procedure Contract for pcd_drive_reset Derived contract for procedure pcd_drive_reset. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 6043]: Procedure Contract for pi_init Derived contract for procedure pi_init. Requires: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 6085]: Procedure Contract for unregister_blkdev Derived contract for procedure unregister_blkdev. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4184]: Procedure Contract for pcd_tray_move Derived contract for procedure pcd_tray_move. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 6050]: Procedure Contract for pi_read_regr Derived contract for procedure pi_read_regr. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 6063]: Procedure Contract for printk Derived contract for procedure printk. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4816]: Procedure Contract for do_pcd_read Derived contract for procedure do_pcd_read. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 6030]: Procedure Contract for mutex_unlock Derived contract for procedure mutex_unlock. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4143]: Procedure Contract for pcd_check_events Derived contract for procedure pcd_check_events. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 5505]: Procedure Contract for ldv_error Derived contract for procedure ldv_error. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 6033]: Procedure Contract for pi_connect Derived contract for procedure pi_connect. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 5923]: Procedure Contract for ldv_mutex_unlock_pcd_mutex Derived contract for procedure ldv_mutex_unlock_pcd_mutex. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (2 == ldv_mutex_pcd_mutex)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) && (2 == \old(ldv_mutex_pcd_mutex))) - ProcedureContractResult [Line: 6066]: Procedure Contract for put_disk Derived contract for procedure put_disk. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 5977]: Procedure Contract for _raw_spin_lock_irqsave Derived contract for procedure _raw_spin_lock_irqsave. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 6078]: Procedure Contract for schedule_delayed_work Derived contract for procedure schedule_delayed_work. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4218]: Procedure Contract for pcd_reset Derived contract for procedure pcd_reset. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 3745]: Procedure Contract for pcd_block_ioctl Derived contract for procedure pcd_block_ioctl. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (\old(ldv_mutex_pcd_mutex) == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4157]: Procedure Contract for pcd_lock_door Derived contract for procedure pcd_lock_door. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 6023]: Procedure Contract for mutex_lock Derived contract for procedure mutex_lock. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (2 == ldv_mutex_pcd_mutex)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (2 == ldv_mutex_pcd_mutex)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - ProcedureContractResult [Line: 3757]: Procedure Contract for pcd_block_check_events Derived contract for procedure pcd_block_check_events. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 3514]: Procedure Contract for spinlock_check Derived contract for procedure spinlock_check. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 6039]: Procedure Contract for pi_do_claimed Derived contract for procedure pi_do_claimed. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - ProcedureContractResult [Line: 4211]: Procedure Contract for pcd_sleep Derived contract for procedure pcd_sleep. Requires: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) Ensures: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) RESULT: Ultimate proved your program to be correct! [2024-10-11 15:18:02,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE