./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 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 15:18:22,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 15:18:22,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 15:18:22,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 15:18:22,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 15:18:22,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 15:18:22,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 15:18:22,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 15:18:22,483 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 15:18:22,483 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 15:18:22,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 15:18:22,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 15:18:22,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 15:18:22,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 15:18:22,485 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 15:18:22,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 15:18:22,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 15:18:22,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 15:18:22,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 15:18:22,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 15:18:22,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 15:18:22,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 15:18:22,488 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 15:18:22,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 15:18:22,489 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 15:18:22,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 15:18:22,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 15:18:22,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 15:18:22,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 15:18:22,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:18:22,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 15:18:22,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 15:18:22,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 15:18:22,493 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 15:18:22,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 15:18:22,493 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 15:18:22,494 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 15:18:22,494 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 15:18:22,495 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 15:18:22,495 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 [2024-10-14 15:18:22,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 15:18:22,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 15:18:22,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 15:18:22,771 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 15:18:22,771 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 15:18:22,772 INFO L431 ainManager$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 [2024-10-14 15:18:24,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 15:18:24,628 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 15:18:24,629 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 [2024-10-14 15:18:24,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7c7d3852/307969b4d10d443a82168a79e5973851/FLAGc32c6f0fc [2024-10-14 15:18:24,687 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7c7d3852/307969b4d10d443a82168a79e5973851 [2024-10-14 15:18:24,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 15:18:24,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 15:18:24,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 15:18:24,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 15:18:24,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 15:18:24,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:18:24" (1/1) ... [2024-10-14 15:18:24,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a55f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:24, skipping insertion in model container [2024-10-14 15:18:24,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:18:24" (1/1) ... [2024-10-14 15:18:24,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 15:18:25,880 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] [2024-10-14 15:18:25,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:18:25,979 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 15:18:26,162 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] [2024-10-14 15:18:26,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:18:26,220 INFO L204 MainTranslator]: Completed translation [2024-10-14 15:18:26,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26 WrapperNode [2024-10-14 15:18:26,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 15:18:26,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 15:18:26,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 15:18:26,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 15:18:26,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26" (1/1) ... [2024-10-14 15:18:26,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26" (1/1) ... [2024-10-14 15:18:26,450 INFO L138 Inliner]: procedures = 167, calls = 930, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 2076 [2024-10-14 15:18:26,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 15:18:26,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 15:18:26,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 15:18:26,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 15:18:26,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26" (1/1) ... [2024-10-14 15:18:26,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26" (1/1) ... [2024-10-14 15:18:26,483 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26" (1/1) ... [2024-10-14 15:18:26,609 INFO L175 MemorySlicer]: Split 522 memory accesses to 18 slices as follows [2, 4, 13, 2, 13, 2, 6, 5, 20, 2, 14, 138, 33, 13, 6, 9, 218, 22]. 42 percent of accesses are in the largest equivalence class. The 193 initializations are split as follows [2, 4, 13, 0, 13, 0, 6, 5, 20, 0, 14, 0, 24, 0, 0, 0, 70, 22]. The 199 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 136, 0, 9, 5, 0, 49, 0]. [2024-10-14 15:18:26,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26" (1/1) ... [2024-10-14 15:18:26,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26" (1/1) ... [2024-10-14 15:18:26,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26" (1/1) ... [2024-10-14 15:18:26,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26" (1/1) ... [2024-10-14 15:18:26,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26" (1/1) ... [2024-10-14 15:18:26,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26" (1/1) ... [2024-10-14 15:18:26,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 15:18:26,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 15:18:26,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 15:18:26,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 15:18:26,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26" (1/1) ... [2024-10-14 15:18:26,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:18:26,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:18:26,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 15:18:26,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 15:18:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2024-10-14 15:18:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2024-10-14 15:18:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-10-14 15:18:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-10-14 15:18:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-10-14 15:18:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-10-14 15:18:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2024-10-14 15:18:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2024-10-14 15:18:26,881 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-10-14 15:18:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-10-14 15:18:26,881 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-10-14 15:18:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-10-14 15:18:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-14 15:18:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-14 15:18:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-14 15:18:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-14 15:18:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-14 15:18:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-14 15:18:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-14 15:18:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-14 15:18:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-14 15:18:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-14 15:18:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-14 15:18:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-14 15:18:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-14 15:18:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-14 15:18:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-14 15:18:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-14 15:18:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-14 15:18:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-14 15:18:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2024-10-14 15:18:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2024-10-14 15:18:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2024-10-14 15:18:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2024-10-14 15:18:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-14 15:18:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-14 15:18:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-14 15:18:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-14 15:18:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-14 15:18:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-14 15:18:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-14 15:18:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-14 15:18:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-14 15:18:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-14 15:18:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-14 15:18:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-14 15:18:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-14 15:18:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-14 15:18:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-14 15:18:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-14 15:18:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-10-14 15:18:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-10-14 15:18:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-14 15:18:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-14 15:18:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-14 15:18:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-14 15:18:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-14 15:18:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-14 15:18:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-14 15:18:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-14 15:18:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-14 15:18:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-14 15:18:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-14 15:18:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-14 15:18:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-14 15:18:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-14 15:18:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-14 15:18:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-14 15:18:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-14 15:18:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-14 15:18:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 15:18:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 15:18:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 15:18:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 15:18:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 15:18:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 15:18:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 15:18:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 15:18:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 15:18:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 15:18:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-14 15:18:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-14 15:18:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-14 15:18:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-14 15:18:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-14 15:18:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-14 15:18:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-14 15:18:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-14 15:18:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2024-10-14 15:18:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2024-10-14 15:18:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-10-14 15:18:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-10-14 15:18:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-14 15:18:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-14 15:18:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-14 15:18:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-14 15:18:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-14 15:18:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-14 15:18:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-14 15:18:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-14 15:18:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-14 15:18:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-14 15:18:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-10-14 15:18:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-10-14 15:18:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-10-14 15:18:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-10-14 15:18:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-10-14 15:18:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-10-14 15:18:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-10-14 15:18:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-10-14 15:18:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-14 15:18:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-14 15:18:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-14 15:18:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-14 15:18:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-14 15:18:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-14 15:18:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-14 15:18:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-14 15:18:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-14 15:18:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-14 15:18:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-10-14 15:18:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-10-14 15:18:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-10-14 15:18:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-10-14 15:18:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-10-14 15:18:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-10-14 15:18:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-10-14 15:18:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-10-14 15:18:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-14 15:18:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-14 15:18:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-10-14 15:18:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-10-14 15:18:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2024-10-14 15:18:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2024-10-14 15:18:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2024-10-14 15:18:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2024-10-14 15:18:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 15:18:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 15:18:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 15:18:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 15:18:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 15:18:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 15:18:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 15:18:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 15:18:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 15:18:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 15:18:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-14 15:18:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-14 15:18:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-14 15:18:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-14 15:18:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-14 15:18:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-14 15:18:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-14 15:18:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-14 15:18:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-14 15:18:26,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-14 15:18:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2024-10-14 15:18:26,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2024-10-14 15:18:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-14 15:18:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-14 15:18:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2024-10-14 15:18:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2024-10-14 15:18:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 15:18:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2024-10-14 15:18:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2024-10-14 15:18:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-14 15:18:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-14 15:18:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2024-10-14 15:18:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2024-10-14 15:18:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-14 15:18:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-14 15:18:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2024-10-14 15:18:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2024-10-14 15:18:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2024-10-14 15:18:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2024-10-14 15:18:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 15:18:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2024-10-14 15:18:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2024-10-14 15:18:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2024-10-14 15:18:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2024-10-14 15:18:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2024-10-14 15:18:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2024-10-14 15:18:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-14 15:18:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-14 15:18:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 15:18:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 15:18:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 15:18:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 15:18:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-14 15:18:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-14 15:18:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-14 15:18:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-14 15:18:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-14 15:18:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-14 15:18:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-14 15:18:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-14 15:18:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-14 15:18:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-14 15:18:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-14 15:18:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-14 15:18:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-14 15:18:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-14 15:18:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-14 15:18:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2024-10-14 15:18:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2024-10-14 15:18:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2024-10-14 15:18:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2024-10-14 15:18:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 15:18:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 15:18:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 15:18:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-14 15:18:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-14 15:18:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-14 15:18:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-14 15:18:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-14 15:18:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-14 15:18:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-14 15:18:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-14 15:18:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-14 15:18:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-14 15:18:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-14 15:18:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-14 15:18:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-14 15:18:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-14 15:18:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-14 15:18:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-14 15:18:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-14 15:18:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2024-10-14 15:18:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2024-10-14 15:18:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2024-10-14 15:18:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2024-10-14 15:18:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2024-10-14 15:18:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2024-10-14 15:18:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 15:18:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2024-10-14 15:18:26,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2024-10-14 15:18:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-14 15:18:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-14 15:18:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-14 15:18:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-14 15:18:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-14 15:18:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-14 15:18:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-14 15:18:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-14 15:18:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-14 15:18:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-14 15:18:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-14 15:18:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-14 15:18:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-14 15:18:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-14 15:18:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-14 15:18:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-14 15:18:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-14 15:18:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-14 15:18:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-10-14 15:18:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-10-14 15:18:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-10-14 15:18:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-10-14 15:18:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-14 15:18:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-14 15:18:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-10-14 15:18:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-10-14 15:18:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2024-10-14 15:18:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2024-10-14 15:18:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-10-14 15:18:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-10-14 15:18:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-10-14 15:18:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-10-14 15:18:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-10-14 15:18:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-10-14 15:18:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2024-10-14 15:18:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2024-10-14 15:18:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 15:18:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 15:18:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 15:18:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 15:18:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 15:18:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 15:18:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 15:18:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 15:18:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 15:18:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 15:18:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 15:18:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-14 15:18:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-14 15:18:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-14 15:18:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-14 15:18:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-14 15:18:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-14 15:18:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-14 15:18:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2024-10-14 15:18:26,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2024-10-14 15:18:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-14 15:18:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-14 15:18:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-14 15:18:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-14 15:18:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-14 15:18:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-14 15:18:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-14 15:18:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-14 15:18:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-14 15:18:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-14 15:18:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-14 15:18:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-14 15:18:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-14 15:18:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-14 15:18:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-14 15:18:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-14 15:18:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-10-14 15:18:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-10-14 15:18:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 15:18:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 15:18:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2024-10-14 15:18:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2024-10-14 15:18:27,525 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 15:18:27,529 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 15:18:33,271 INFO L? ?]: Removed 952 outVars from TransFormulas that were not future-live. [2024-10-14 15:18:33,271 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 15:18:33,418 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 15:18:33,422 INFO L314 CfgBuilder]: Removed 7 assume(true) statements. [2024-10-14 15:18:33,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:18:33 BoogieIcfgContainer [2024-10-14 15:18:33,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 15:18:33,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 15:18:33,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 15:18:33,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 15:18:33,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:18:24" (1/3) ... [2024-10-14 15:18:33,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3165a5c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:18:33, skipping insertion in model container [2024-10-14 15:18:33,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:18:26" (2/3) ... [2024-10-14 15:18:33,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3165a5c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:18:33, skipping insertion in model container [2024-10-14 15:18:33,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:18:33" (3/3) ... [2024-10-14 15:18:33,434 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-10-14 15:18:33,452 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 15:18:33,452 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 15:18:33,566 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 15:18:33,577 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;@50763874, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 15:18:33,578 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 15:18:33,587 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) [2024-10-14 15:18:33,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-14 15:18:33,602 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:33,603 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:18:33,603 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:33,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:33,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1329863063, now seen corresponding path program 1 times [2024-10-14 15:18:33,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:33,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482599490] [2024-10-14 15:18:33,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:33,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:34,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 15:18:34,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:34,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482599490] [2024-10-14 15:18:34,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482599490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:18:34,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:18:34,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 15:18:34,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796764974] [2024-10-14 15:18:34,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:18:34,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:18:34,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:34,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:18:34,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 15:18:34,150 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) [2024-10-14 15:18:34,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:18:34,732 INFO L93 Difference]: Finished difference Result 2160 states and 3321 transitions. [2024-10-14 15:18:34,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:18:34,735 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 [2024-10-14 15:18:34,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:18:34,770 INFO L225 Difference]: With dead ends: 2160 [2024-10-14 15:18:34,771 INFO L226 Difference]: Without dead ends: 1407 [2024-10-14 15:18:34,784 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 [2024-10-14 15:18:34,789 INFO L432 NwaCegarLoop]: 996 mSDtfsCounter, 991 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 15:18:34,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [991 Valid, 1971 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 15:18:34,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2024-10-14 15:18:34,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1395. [2024-10-14 15:18:34,950 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) [2024-10-14 15:18:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 2058 transitions. [2024-10-14 15:18:34,963 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 2058 transitions. Word has length 14 [2024-10-14 15:18:34,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:18:34,964 INFO L471 AbstractCegarLoop]: Abstraction has 1395 states and 2058 transitions. [2024-10-14 15:18:34,964 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) [2024-10-14 15:18:34,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 2058 transitions. [2024-10-14 15:18:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-14 15:18:34,967 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:34,967 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:18:34,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 15:18:34,968 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:34,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:34,969 INFO L85 PathProgramCache]: Analyzing trace with hash -819276253, now seen corresponding path program 1 times [2024-10-14 15:18:34,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:34,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18805736] [2024-10-14 15:18:34,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:34,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:35,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 15:18:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:35,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 15:18:35,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:35,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18805736] [2024-10-14 15:18:35,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18805736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:18:35,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:18:35,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 15:18:35,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860150616] [2024-10-14 15:18:35,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:18:35,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:18:35,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:35,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:18:35,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 15:18:35,207 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) [2024-10-14 15:18:35,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:18:35,610 INFO L93 Difference]: Finished difference Result 3856 states and 5677 transitions. [2024-10-14 15:18:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:18:35,610 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 [2024-10-14 15:18:35,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:18:35,628 INFO L225 Difference]: With dead ends: 3856 [2024-10-14 15:18:35,628 INFO L226 Difference]: Without dead ends: 2462 [2024-10-14 15:18:35,635 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 [2024-10-14 15:18:35,637 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, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 15:18:35,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 1861 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 15:18:35,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2024-10-14 15:18:35,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 2444. [2024-10-14 15:18:35,810 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) [2024-10-14 15:18:35,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 3595 transitions. [2024-10-14 15:18:35,827 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 3595 transitions. Word has length 16 [2024-10-14 15:18:35,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:18:35,827 INFO L471 AbstractCegarLoop]: Abstraction has 2444 states and 3595 transitions. [2024-10-14 15:18:35,827 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) [2024-10-14 15:18:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 3595 transitions. [2024-10-14 15:18:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-14 15:18:35,829 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:35,829 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:18:35,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 15:18:35,829 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:35,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:35,830 INFO L85 PathProgramCache]: Analyzing trace with hash -829246316, now seen corresponding path program 1 times [2024-10-14 15:18:35,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:35,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290610553] [2024-10-14 15:18:35,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:35,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 15:18:35,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:35,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290610553] [2024-10-14 15:18:35,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290610553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:18:35,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:18:35,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 15:18:35,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978375716] [2024-10-14 15:18:35,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:18:35,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:18:35,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:35,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:18:35,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 15:18:35,943 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) [2024-10-14 15:18:36,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:18:36,203 INFO L93 Difference]: Finished difference Result 4887 states and 7189 transitions. [2024-10-14 15:18:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:18:36,204 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 [2024-10-14 15:18:36,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:18:36,222 INFO L225 Difference]: With dead ends: 4887 [2024-10-14 15:18:36,222 INFO L226 Difference]: Without dead ends: 2444 [2024-10-14 15:18:36,233 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 [2024-10-14 15:18:36,234 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, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 15:18:36,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1068 Valid, 992 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 15:18:36,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2444 states. [2024-10-14 15:18:36,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2444 to 2444. [2024-10-14 15:18:36,427 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) [2024-10-14 15:18:36,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 3593 transitions. [2024-10-14 15:18:36,449 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 3593 transitions. Word has length 16 [2024-10-14 15:18:36,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:18:36,449 INFO L471 AbstractCegarLoop]: Abstraction has 2444 states and 3593 transitions. [2024-10-14 15:18:36,450 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) [2024-10-14 15:18:36,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 3593 transitions. [2024-10-14 15:18:36,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-14 15:18:36,452 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:36,452 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] [2024-10-14 15:18:36,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 15:18:36,452 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:36,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:36,453 INFO L85 PathProgramCache]: Analyzing trace with hash 214488758, now seen corresponding path program 1 times [2024-10-14 15:18:36,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:36,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404903098] [2024-10-14 15:18:36,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:36,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:36,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 15:18:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:36,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 15:18:36,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:36,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404903098] [2024-10-14 15:18:36,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404903098] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:18:36,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:18:36,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 15:18:36,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059135652] [2024-10-14 15:18:36,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:18:36,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:18:36,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:36,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:18:36,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 15:18:36,642 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) [2024-10-14 15:18:37,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:18:37,034 INFO L93 Difference]: Finished difference Result 4905 states and 7213 transitions. [2024-10-14 15:18:37,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:18:37,034 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 [2024-10-14 15:18:37,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:18:37,051 INFO L225 Difference]: With dead ends: 4905 [2024-10-14 15:18:37,052 INFO L226 Difference]: Without dead ends: 2462 [2024-10-14 15:18:37,062 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 [2024-10-14 15:18:37,063 INFO L432 NwaCegarLoop]: 990 mSDtfsCounter, 12 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 15:18:37,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1979 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 15:18:37,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2024-10-14 15:18:37,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 2446. [2024-10-14 15:18:37,211 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) [2024-10-14 15:18:37,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2446 states and 3595 transitions. [2024-10-14 15:18:37,229 INFO L78 Accepts]: Start accepts. Automaton has 2446 states and 3595 transitions. Word has length 26 [2024-10-14 15:18:37,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:18:37,231 INFO L471 AbstractCegarLoop]: Abstraction has 2446 states and 3595 transitions. [2024-10-14 15:18:37,233 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) [2024-10-14 15:18:37,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 3595 transitions. [2024-10-14 15:18:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 15:18:37,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:37,235 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] [2024-10-14 15:18:37,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 15:18:37,236 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:37,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:37,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1995427829, now seen corresponding path program 1 times [2024-10-14 15:18:37,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:37,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728475958] [2024-10-14 15:18:37,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:37,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:37,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 15:18:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 15:18:37,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:37,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728475958] [2024-10-14 15:18:37,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728475958] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:18:37,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015365327] [2024-10-14 15:18:37,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:37,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:37,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:18:37,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:18:37,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 15:18:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:38,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 15:18:38,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:18:38,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 15:18:38,122 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:18:38,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015365327] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:18:38,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:18:38,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-14 15:18:38,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164736765] [2024-10-14 15:18:38,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:18:38,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:18:38,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:38,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:18:38,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:18:38,126 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) [2024-10-14 15:18:38,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:18:38,442 INFO L93 Difference]: Finished difference Result 4921 states and 7239 transitions. [2024-10-14 15:18:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:18:38,443 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 [2024-10-14 15:18:38,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:18:38,465 INFO L225 Difference]: With dead ends: 4921 [2024-10-14 15:18:38,465 INFO L226 Difference]: Without dead ends: 2476 [2024-10-14 15:18:38,477 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 [2024-10-14 15:18:38,478 INFO L432 NwaCegarLoop]: 1003 mSDtfsCounter, 13 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:18:38,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1992 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 15:18:38,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2476 states. [2024-10-14 15:18:38,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2476 to 2450. [2024-10-14 15:18:38,587 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) [2024-10-14 15:18:38,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 2450 states and 3599 transitions. [2024-10-14 15:18:38,604 INFO L78 Accepts]: Start accepts. Automaton has 2450 states and 3599 transitions. Word has length 29 [2024-10-14 15:18:38,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:18:38,604 INFO L471 AbstractCegarLoop]: Abstraction has 2450 states and 3599 transitions. [2024-10-14 15:18:38,605 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) [2024-10-14 15:18:38,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 3599 transitions. [2024-10-14 15:18:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-14 15:18:38,607 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:38,607 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] [2024-10-14 15:18:38,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 15:18:38,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:38,812 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:38,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:38,812 INFO L85 PathProgramCache]: Analyzing trace with hash 2138528497, now seen corresponding path program 1 times [2024-10-14 15:18:38,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:38,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636101153] [2024-10-14 15:18:38,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:38,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:39,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 15:18:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:39,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 15:18:39,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:39,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636101153] [2024-10-14 15:18:39,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636101153] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:18:39,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844035889] [2024-10-14 15:18:39,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:39,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:39,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:18:39,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:18:39,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 15:18:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:39,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 15:18:39,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:18:39,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 15:18:39,654 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:18:39,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844035889] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:18:39,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:18:39,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-14 15:18:39,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269838458] [2024-10-14 15:18:39,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:18:39,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:18:39,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:39,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:18:39,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:18:39,656 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) [2024-10-14 15:18:40,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:18:40,097 INFO L93 Difference]: Finished difference Result 7302 states and 10721 transitions. [2024-10-14 15:18:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:18:40,098 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 [2024-10-14 15:18:40,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:18:40,132 INFO L225 Difference]: With dead ends: 7302 [2024-10-14 15:18:40,133 INFO L226 Difference]: Without dead ends: 4853 [2024-10-14 15:18:40,147 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 [2024-10-14 15:18:40,148 INFO L432 NwaCegarLoop]: 1227 mSDtfsCounter, 1044 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 15:18:40,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1044 Valid, 2201 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 15:18:40,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4853 states. [2024-10-14 15:18:40,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4853 to 3770. [2024-10-14 15:18:40,362 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) [2024-10-14 15:18:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 3770 states and 5532 transitions. [2024-10-14 15:18:40,385 INFO L78 Accepts]: Start accepts. Automaton has 3770 states and 5532 transitions. Word has length 32 [2024-10-14 15:18:40,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:18:40,386 INFO L471 AbstractCegarLoop]: Abstraction has 3770 states and 5532 transitions. [2024-10-14 15:18:40,387 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) [2024-10-14 15:18:40,387 INFO L276 IsEmpty]: Start isEmpty. Operand 3770 states and 5532 transitions. [2024-10-14 15:18:40,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-14 15:18:40,390 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:40,391 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] [2024-10-14 15:18:40,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 15:18:40,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-14 15:18:40,595 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:40,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:40,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1727101949, now seen corresponding path program 1 times [2024-10-14 15:18:40,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:40,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985877872] [2024-10-14 15:18:40,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:40,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:40,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 15:18:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:40,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:18:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:40,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 15:18:40,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:40,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985877872] [2024-10-14 15:18:40,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985877872] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:18:40,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470687832] [2024-10-14 15:18:40,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:40,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:40,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:18:40,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:18:40,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 15:18:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:41,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 15:18:41,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:18:41,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 15:18:41,353 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:18:41,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470687832] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:18:41,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:18:41,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-14 15:18:41,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776111605] [2024-10-14 15:18:41,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:18:41,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:18:41,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:41,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:18:41,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:18:41,355 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) [2024-10-14 15:18:41,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:18:41,711 INFO L93 Difference]: Finished difference Result 7567 states and 11111 transitions. [2024-10-14 15:18:41,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:18:41,711 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 [2024-10-14 15:18:41,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:18:41,745 INFO L225 Difference]: With dead ends: 7567 [2024-10-14 15:18:41,745 INFO L226 Difference]: Without dead ends: 3798 [2024-10-14 15:18:41,763 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 [2024-10-14 15:18:41,764 INFO L432 NwaCegarLoop]: 990 mSDtfsCounter, 20 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-10-14 15:18:41,764 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] [2024-10-14 15:18:41,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3798 states. [2024-10-14 15:18:41,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3798 to 3798. [2024-10-14 15:18:41,976 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) [2024-10-14 15:18:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 3798 states and 5576 transitions. [2024-10-14 15:18:42,002 INFO L78 Accepts]: Start accepts. Automaton has 3798 states and 5576 transitions. Word has length 33 [2024-10-14 15:18:42,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:18:42,003 INFO L471 AbstractCegarLoop]: Abstraction has 3798 states and 5576 transitions. [2024-10-14 15:18:42,003 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) [2024-10-14 15:18:42,003 INFO L276 IsEmpty]: Start isEmpty. Operand 3798 states and 5576 transitions. [2024-10-14 15:18:42,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 15:18:42,006 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:42,006 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] [2024-10-14 15:18:42,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 15:18:42,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:42,211 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:42,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:42,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2094928915, now seen corresponding path program 1 times [2024-10-14 15:18:42,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:42,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654473292] [2024-10-14 15:18:42,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:42,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:42,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 15:18:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:42,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:18:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:42,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:18:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:42,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:18:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 15:18:42,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:42,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654473292] [2024-10-14 15:18:42,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654473292] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:18:42,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851128405] [2024-10-14 15:18:42,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:42,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:42,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:18:42,409 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:18:42,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 15:18:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:42,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 15:18:42,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:18:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 15:18:42,975 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:18:42,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851128405] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:18:42,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:18:42,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-14 15:18:42,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715846643] [2024-10-14 15:18:42,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:18:42,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:18:42,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:42,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:18:42,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:18:42,977 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) [2024-10-14 15:18:43,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:18:43,312 INFO L93 Difference]: Finished difference Result 3820 states and 5602 transitions. [2024-10-14 15:18:43,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:18:43,312 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 [2024-10-14 15:18:43,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:18:43,340 INFO L225 Difference]: With dead ends: 3820 [2024-10-14 15:18:43,341 INFO L226 Difference]: Without dead ends: 3809 [2024-10-14 15:18:43,343 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 [2024-10-14 15:18:43,344 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:18:43,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 1018 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 15:18:43,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3809 states. [2024-10-14 15:18:43,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3809 to 3798. [2024-10-14 15:18:43,588 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) [2024-10-14 15:18:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 3798 states and 5575 transitions. [2024-10-14 15:18:43,613 INFO L78 Accepts]: Start accepts. Automaton has 3798 states and 5575 transitions. Word has length 43 [2024-10-14 15:18:43,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:18:43,614 INFO L471 AbstractCegarLoop]: Abstraction has 3798 states and 5575 transitions. [2024-10-14 15:18:43,615 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) [2024-10-14 15:18:43,615 INFO L276 IsEmpty]: Start isEmpty. Operand 3798 states and 5575 transitions. [2024-10-14 15:18:43,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 15:18:43,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:43,618 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] [2024-10-14 15:18:43,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 15:18:43,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:43,819 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:43,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:43,819 INFO L85 PathProgramCache]: Analyzing trace with hash -2142780079, now seen corresponding path program 1 times [2024-10-14 15:18:43,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:43,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881291399] [2024-10-14 15:18:43,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:43,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:43,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 15:18:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:43,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:18:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:43,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:18:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:43,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:18:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:43,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 15:18:43,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:43,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881291399] [2024-10-14 15:18:43,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881291399] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:18:43,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288110818] [2024-10-14 15:18:43,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:43,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:43,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:18:43,983 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:18:43,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 15:18:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:44,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 1190 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 15:18:44,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:18:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 15:18:44,570 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:18:44,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288110818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:18:44,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:18:44,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 15:18:44,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053008806] [2024-10-14 15:18:44,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:18:44,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:18:44,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:44,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:18:44,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:18:44,572 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) [2024-10-14 15:18:44,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:18:44,855 INFO L93 Difference]: Finished difference Result 3800 states and 5576 transitions. [2024-10-14 15:18:44,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:18:44,855 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 [2024-10-14 15:18:44,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:18:44,879 INFO L225 Difference]: With dead ends: 3800 [2024-10-14 15:18:44,879 INFO L226 Difference]: Without dead ends: 3797 [2024-10-14 15:18:44,881 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 [2024-10-14 15:18:44,882 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:18:44,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 990 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 15:18:44,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3797 states. [2024-10-14 15:18:45,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3797 to 3797. [2024-10-14 15:18:45,051 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) [2024-10-14 15:18:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 3797 states and 5573 transitions. [2024-10-14 15:18:45,073 INFO L78 Accepts]: Start accepts. Automaton has 3797 states and 5573 transitions. Word has length 43 [2024-10-14 15:18:45,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:18:45,074 INFO L471 AbstractCegarLoop]: Abstraction has 3797 states and 5573 transitions. [2024-10-14 15:18:45,074 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) [2024-10-14 15:18:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 3797 states and 5573 transitions. [2024-10-14 15:18:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-14 15:18:45,076 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:45,077 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] [2024-10-14 15:18:45,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 15:18:45,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:45,281 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:45,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:45,281 INFO L85 PathProgramCache]: Analyzing trace with hash -2002012083, now seen corresponding path program 1 times [2024-10-14 15:18:45,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:45,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32381779] [2024-10-14 15:18:45,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:45,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:45,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 15:18:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:45,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:18:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:45,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:18:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:45,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:18:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 15:18:45,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:45,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32381779] [2024-10-14 15:18:45,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32381779] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:18:45,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019067115] [2024-10-14 15:18:45,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:45,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:45,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:18:45,442 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:18:45,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 15:18:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:46,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 15:18:46,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:18:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 15:18:46,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:18:46,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019067115] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:18:46,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:18:46,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 15:18:46,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360920893] [2024-10-14 15:18:46,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:18:46,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:18:46,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:46,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:18:46,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:18:46,063 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) [2024-10-14 15:18:46,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:18:46,360 INFO L93 Difference]: Finished difference Result 3799 states and 5574 transitions. [2024-10-14 15:18:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:18:46,361 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 [2024-10-14 15:18:46,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:18:46,397 INFO L225 Difference]: With dead ends: 3799 [2024-10-14 15:18:46,397 INFO L226 Difference]: Without dead ends: 3796 [2024-10-14 15:18:46,400 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 [2024-10-14 15:18:46,400 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 [2024-10-14 15:18:46,402 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] [2024-10-14 15:18:46,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3796 states. [2024-10-14 15:18:46,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3796 to 3796. [2024-10-14 15:18:46,575 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) [2024-10-14 15:18:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 5571 transitions. [2024-10-14 15:18:46,597 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 5571 transitions. Word has length 44 [2024-10-14 15:18:46,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:18:46,598 INFO L471 AbstractCegarLoop]: Abstraction has 3796 states and 5571 transitions. [2024-10-14 15:18:46,598 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) [2024-10-14 15:18:46,598 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 5571 transitions. [2024-10-14 15:18:46,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-14 15:18:46,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:46,600 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] [2024-10-14 15:18:46,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 15:18:46,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:46,801 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:46,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:46,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1933166636, now seen corresponding path program 1 times [2024-10-14 15:18:46,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:46,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786319911] [2024-10-14 15:18:46,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:46,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:46,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 15:18:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:46,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:18:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:46,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:18:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:46,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:18:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:46,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 15:18:46,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:46,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786319911] [2024-10-14 15:18:46,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786319911] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:18:46,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015220075] [2024-10-14 15:18:46,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:46,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:46,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:18:46,962 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:18:46,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 15:18:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:47,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 15:18:47,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:18:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 15:18:47,583 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:18:47,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015220075] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:18:47,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:18:47,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 15:18:47,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492712393] [2024-10-14 15:18:47,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:18:47,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:18:47,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:47,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:18:47,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:18:47,585 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) [2024-10-14 15:18:47,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:18:47,902 INFO L93 Difference]: Finished difference Result 3798 states and 5572 transitions. [2024-10-14 15:18:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:18:47,903 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 [2024-10-14 15:18:47,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:18:47,927 INFO L225 Difference]: With dead ends: 3798 [2024-10-14 15:18:47,927 INFO L226 Difference]: Without dead ends: 3795 [2024-10-14 15:18:47,930 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 [2024-10-14 15:18:47,931 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:18:47,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 986 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 15:18:47,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3795 states. [2024-10-14 15:18:48,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3795 to 3795. [2024-10-14 15:18:48,120 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) [2024-10-14 15:18:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3795 states to 3795 states and 5569 transitions. [2024-10-14 15:18:48,148 INFO L78 Accepts]: Start accepts. Automaton has 3795 states and 5569 transitions. Word has length 45 [2024-10-14 15:18:48,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:18:48,149 INFO L471 AbstractCegarLoop]: Abstraction has 3795 states and 5569 transitions. [2024-10-14 15:18:48,149 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) [2024-10-14 15:18:48,149 INFO L276 IsEmpty]: Start isEmpty. Operand 3795 states and 5569 transitions. [2024-10-14 15:18:48,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-14 15:18:48,152 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:48,152 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] [2024-10-14 15:18:48,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-14 15:18:48,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:48,353 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:48,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:48,353 INFO L85 PathProgramCache]: Analyzing trace with hash 201047088, now seen corresponding path program 1 times [2024-10-14 15:18:48,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:48,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685676300] [2024-10-14 15:18:48,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:48,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:48,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 15:18:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:48,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:18:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:48,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:18:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:48,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:18:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 15:18:48,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:48,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685676300] [2024-10-14 15:18:48,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685676300] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:18:48,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073157860] [2024-10-14 15:18:48,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:48,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:48,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:18:48,553 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:18:48,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 15:18:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:49,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 1196 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 15:18:49,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:18:49,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 15:18:49,206 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:18:49,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073157860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:18:49,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:18:49,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 15:18:49,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6832149] [2024-10-14 15:18:49,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:18:49,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:18:49,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:49,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:18:49,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:18:49,208 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) [2024-10-14 15:18:49,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:18:49,551 INFO L93 Difference]: Finished difference Result 3797 states and 5570 transitions. [2024-10-14 15:18:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:18:49,552 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 [2024-10-14 15:18:49,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:18:49,584 INFO L225 Difference]: With dead ends: 3797 [2024-10-14 15:18:49,584 INFO L226 Difference]: Without dead ends: 3773 [2024-10-14 15:18:49,588 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 [2024-10-14 15:18:49,589 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, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 15:18:49,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1001 Valid, 997 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 15:18:49,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2024-10-14 15:18:49,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 3773. [2024-10-14 15:18:49,790 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) [2024-10-14 15:18:49,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3773 states and 5536 transitions. [2024-10-14 15:18:49,849 INFO L78 Accepts]: Start accepts. Automaton has 3773 states and 5536 transitions. Word has length 46 [2024-10-14 15:18:49,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:18:49,850 INFO L471 AbstractCegarLoop]: Abstraction has 3773 states and 5536 transitions. [2024-10-14 15:18:49,850 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) [2024-10-14 15:18:49,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3773 states and 5536 transitions. [2024-10-14 15:18:49,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-14 15:18:49,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:49,855 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] [2024-10-14 15:18:49,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 15:18:50,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-14 15:18:50,056 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:50,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:50,057 INFO L85 PathProgramCache]: Analyzing trace with hash -849142658, now seen corresponding path program 1 times [2024-10-14 15:18:50,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:50,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229205498] [2024-10-14 15:18:50,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:50,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:50,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 15:18:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:50,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:18:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:50,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:18:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:50,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:18:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:50,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 15:18:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:50,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 15:18:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:50,247 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 15:18:50,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:50,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229205498] [2024-10-14 15:18:50,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229205498] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:18:50,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545627944] [2024-10-14 15:18:50,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:50,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:50,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:18:50,250 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:18:50,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 15:18:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:50,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 15:18:50,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:18:50,808 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 15:18:50,809 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:18:50,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545627944] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:18:50,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:18:50,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-10-14 15:18:50,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392667305] [2024-10-14 15:18:50,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:18:50,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:18:50,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:50,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:18:50,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:18:50,810 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) [2024-10-14 15:18:51,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:18:51,338 INFO L93 Difference]: Finished difference Result 9450 states and 13854 transitions. [2024-10-14 15:18:51,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:18:51,339 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 [2024-10-14 15:18:51,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:18:51,374 INFO L225 Difference]: With dead ends: 9450 [2024-10-14 15:18:51,375 INFO L226 Difference]: Without dead ends: 5678 [2024-10-14 15:18:51,394 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 [2024-10-14 15:18:51,394 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, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 15:18:51,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 1890 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 15:18:51,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5678 states. [2024-10-14 15:18:51,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5678 to 5675. [2024-10-14 15:18:51,720 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) [2024-10-14 15:18:51,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5675 states to 5675 states and 8308 transitions. [2024-10-14 15:18:51,750 INFO L78 Accepts]: Start accepts. Automaton has 5675 states and 8308 transitions. Word has length 61 [2024-10-14 15:18:51,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:18:51,752 INFO L471 AbstractCegarLoop]: Abstraction has 5675 states and 8308 transitions. [2024-10-14 15:18:51,752 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) [2024-10-14 15:18:51,752 INFO L276 IsEmpty]: Start isEmpty. Operand 5675 states and 8308 transitions. [2024-10-14 15:18:51,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-14 15:18:51,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:18:51,757 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] [2024-10-14 15:18:51,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-14 15:18:51,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 15:18:51,959 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:18:51,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:18:51,959 INFO L85 PathProgramCache]: Analyzing trace with hash 331139712, now seen corresponding path program 1 times [2024-10-14 15:18:51,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:18:51,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250109213] [2024-10-14 15:18:51,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:51,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:18:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:52,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 15:18:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:52,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 15:18:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:52,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 15:18:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:52,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:18:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:52,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 15:18:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:52,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 15:18:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 15:18:52,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:18:52,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250109213] [2024-10-14 15:18:52,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250109213] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:18:52,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183004619] [2024-10-14 15:18:52,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:18:52,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:18:52,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:18:52,130 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:18:52,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 15:18:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:18:52,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 1297 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 15:18:52,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:18:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 15:18:52,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 15:18:52,725 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 15:18:52,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183004619] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 15:18:52,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 15:18:52,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2024-10-14 15:18:52,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523633704] [2024-10-14 15:18:52,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 15:18:52,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 15:18:52,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:18:52,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 15:18:52,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 15:18:52,727 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) [2024-10-14 15:18:56,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-14 15:19:02,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:19:02,508 INFO L93 Difference]: Finished difference Result 11505 states and 16855 transitions. [2024-10-14 15:19:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 15:19:02,509 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 [2024-10-14 15:19:02,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:19:02,544 INFO L225 Difference]: With dead ends: 11505 [2024-10-14 15:19:02,545 INFO L226 Difference]: Without dead ends: 5831 [2024-10-14 15:19:02,571 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 [2024-10-14 15:19:02,571 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, 9.5s IncrementalHoareTripleChecker+Time [2024-10-14 15:19:02,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 1375 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2154 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-10-14 15:19:02,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5831 states. [2024-10-14 15:19:03,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5831 to 5831. [2024-10-14 15:19:03,120 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) [2024-10-14 15:19:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5831 states to 5831 states and 8530 transitions. [2024-10-14 15:19:03,150 INFO L78 Accepts]: Start accepts. Automaton has 5831 states and 8530 transitions. Word has length 64 [2024-10-14 15:19:03,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:19:03,150 INFO L471 AbstractCegarLoop]: Abstraction has 5831 states and 8530 transitions. [2024-10-14 15:19:03,151 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) [2024-10-14 15:19:03,151 INFO L276 IsEmpty]: Start isEmpty. Operand 5831 states and 8530 transitions. [2024-10-14 15:19:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-14 15:19:03,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:19:03,157 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] [2024-10-14 15:19:03,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-14 15:19:03,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-14 15:19:03,358 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:19:03,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:19:03,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1115509813, now seen corresponding path program 2 times [2024-10-14 15:19:03,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:19:03,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247587238] [2024-10-14 15:19:03,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:19:03,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:19:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:19:03,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:19:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:19:03,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:19:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:19:03,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 15:19:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:19:03,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 15:19:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:19:03,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 15:19:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:19:03,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 15:19:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:19:03,540 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 15:19:03,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:19:03,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247587238] [2024-10-14 15:19:03,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247587238] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:19:03,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904031808] [2024-10-14 15:19:03,541 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 15:19:03,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:19:03,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:19:03,543 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:19:03,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 15:19:04,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 15:19:04,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 15:19:04,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 15:19:04,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:19:04,114 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 15:19:04,114 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:19:04,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904031808] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:19:04,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:19:04,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-10-14 15:19:04,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430762183] [2024-10-14 15:19:04,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:19:04,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:19:04,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:19:04,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:19:04,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:19:04,116 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) [2024-10-14 15:19:04,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:19:04,588 INFO L93 Difference]: Finished difference Result 5831 states and 8530 transitions. [2024-10-14 15:19:04,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:19:04,588 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 [2024-10-14 15:19:04,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:19:04,596 INFO L225 Difference]: With dead ends: 5831 [2024-10-14 15:19:04,597 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 15:19:04,610 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 [2024-10-14 15:19:04,611 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:19:04,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1912 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 15:19:04,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 15:19:04,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 15:19:04,612 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) [2024-10-14 15:19:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 15:19:04,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2024-10-14 15:19:04,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:19:04,619 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 15:19:04,619 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) [2024-10-14 15:19:04,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 15:19:04,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 15:19:04,621 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 15:19:04,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-14 15:19:04,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 15:19:04,828 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:19:04,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 15:19:29,743 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 15:19:29,763 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_state_variable_0~0 [2024-10-14 15:19:29,764 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-14 15:19:29,765 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unit~0 [2024-10-14 15:19:29,765 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-14 15:19:29,765 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-14 15:19:29,765 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-14 15:19:29,765 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-14 15:19:29,765 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-14 15:19:29,766 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-14 15:19:29,766 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-14 15:19:29,766 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-14 15:19:29,766 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-14 15:19:29,767 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-14 15:19:29,767 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-14 15:19:29,768 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-14 15:19:29,768 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-14 15:19:29,768 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-14 15:19:29,769 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-14 15:19:29,769 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-14 15:19:29,769 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-14 15:19:29,803 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)) [2024-10-14 15:19:29,809 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-14 15:19:29,809 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-14 15:19:29,809 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-14 15:19:29,809 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-14 15:19:29,809 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-14 15:19:29,809 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-14 15:19:29,809 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-14 15:19:29,809 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-14 15:19:29,810 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-14 15:19:29,810 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-14 15:19:29,810 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-14 15:19:29,810 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-14 15:19:29,858 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)) [2024-10-14 15:19:29,864 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)) [2024-10-14 15:19:29,868 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-14 15:19:29,869 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-14 15:19:29,869 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-14 15:19:29,869 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-14 15:19:29,869 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-14 15:19:29,869 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-14 15:19:29,869 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-14 15:19:29,869 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~disable~0 [2024-10-14 15:19:29,869 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_1~0 [2024-10-14 15:19:29,870 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock~0 [2024-10-14 15:19:29,870 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 [2024-10-14 15:19:29,870 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_pcd_mutex~0 [2024-10-14 15:19:29,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:19:29 BoogieIcfgContainer [2024-10-14 15:19:29,878 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 15:19:29,879 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 15:19:29,879 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 15:19:29,879 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 15:19:29,879 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:18:33" (3/4) ... [2024-10-14 15:19:29,881 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 15:19:29,885 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_pcd_request [2024-10-14 15:19:29,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#12 [2024-10-14 15:19:29,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_wait [2024-10-14 15:19:29,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#11 [2024-10-14 15:19:29,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2024-10-14 15:19:29,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-10-14 15:19:29,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_atapi [2024-10-14 15:19:29,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2024-10-14 15:19:29,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_audio_ioctl [2024-10-14 15:19:29,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-10-14 15:19:29,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2024-10-14 15:19:29,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-10-14 15:19:29,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2024-10-14 15:19:29,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-10-14 15:19:29,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_pcd_mutex [2024-10-14 15:19:29,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-10-14 15:19:29,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#17 [2024-10-14 15:19:29,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_get_mcn [2024-10-14 15:19:29,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#16 [2024-10-14 15:19:29,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-10-14 15:19:29,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#15 [2024-10-14 15:19:29,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#14 [2024-10-14 15:19:29,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#13 [2024-10-14 15:19:29,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ps_set_intr [2024-10-14 15:19:29,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_packet [2024-10-14 15:19:29,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_drive_status [2024-10-14 15:19:29,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_identify [2024-10-14 15:19:29,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure next_request [2024-10-14 15:19:29,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2024-10-14 15:19:29,889 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-10-14 15:19:29,889 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-10-14 15:19:29,889 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_probe [2024-10-14 15:19:29,889 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_command [2024-10-14 15:19:29,889 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_completion [2024-10-14 15:19:29,889 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_drive_reset [2024-10-14 15:19:29,889 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2024-10-14 15:19:29,889 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_blkdev [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_tray_move [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_pcd_read [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_check_events [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pcd_mutex [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_disk [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure schedule_delayed_work [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_reset [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_block_ioctl [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_lock_door [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~~TO~VOID [2024-10-14 15:19:29,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-10-14 15:19:29,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-10-14 15:19:29,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-10-14 15:19:29,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_block_check_events [2024-10-14 15:19:29,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-10-14 15:19:29,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_do_claimed [2024-10-14 15:19:29,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_sleep [2024-10-14 15:19:29,929 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 338 nodes and edges [2024-10-14 15:19:29,933 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 132 nodes and edges [2024-10-14 15:19:29,936 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2024-10-14 15:19:29,940 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-14 15:19:29,943 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 15:19:29,947 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 15:19:29,953 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 15:19:30,280 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 15:19:30,280 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 15:19:30,280 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 15:19:30,281 INFO L158 Benchmark]: Toolchain (without parser) took 65588.25ms. Allocated memory was 159.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 98.5MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 867.9MB. Max. memory is 16.1GB. [2024-10-14 15:19:30,281 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 159.4MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 15:19:30,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1526.59ms. Allocated memory is still 159.4MB. Free memory was 98.1MB in the beginning and 66.1MB in the end (delta: 32.0MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2024-10-14 15:19:30,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 228.78ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 66.1MB in the beginning and 169.0MB in the end (delta: -102.9MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-10-14 15:19:30,283 INFO L158 Benchmark]: Boogie Preprocessor took 329.61ms. Allocated memory is still 224.4MB. Free memory was 169.0MB in the beginning and 131.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-14 15:19:30,283 INFO L158 Benchmark]: RCFGBuilder took 6641.63ms. Allocated memory was 224.4MB in the beginning and 360.7MB in the end (delta: 136.3MB). Free memory was 131.3MB in the beginning and 204.3MB in the end (delta: -73.1MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2024-10-14 15:19:30,283 INFO L158 Benchmark]: TraceAbstraction took 56452.93ms. Allocated memory was 360.7MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 204.3MB in the beginning and 481.9MB in the end (delta: -277.6MB). Peak memory consumption was 776.2MB. Max. memory is 16.1GB. [2024-10-14 15:19:30,284 INFO L158 Benchmark]: Witness Printer took 401.81ms. Allocated memory is still 1.4GB. Free memory was 481.9MB in the beginning and 1.3GB in the end (delta: -772.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 15:19:30,285 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 159.4MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1526.59ms. Allocated memory is still 159.4MB. Free memory was 98.1MB in the beginning and 66.1MB in the end (delta: 32.0MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 228.78ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 66.1MB in the beginning and 169.0MB in the end (delta: -102.9MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 329.61ms. Allocated memory is still 224.4MB. Free memory was 169.0MB in the beginning and 131.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * RCFGBuilder took 6641.63ms. Allocated memory was 224.4MB in the beginning and 360.7MB in the end (delta: 136.3MB). Free memory was 131.3MB in the beginning and 204.3MB in the end (delta: -73.1MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * TraceAbstraction took 56452.93ms. Allocated memory was 360.7MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 204.3MB in the beginning and 481.9MB in the end (delta: -277.6MB). Peak memory consumption was 776.2MB. Max. memory is 16.1GB. * Witness Printer took 401.81ms. Allocated memory is still 1.4GB. Free memory was 481.9MB in the beginning and 1.3GB in the end (delta: -772.8MB). Peak memory consumption was 21.0MB. 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: 31.3s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11084 SdHoareTripleChecker+Valid, 12.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10973 mSDsluCounter, 23116 SdHoareTripleChecker+Invalid, 11.5s 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: 3.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1169 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 2.6s 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: -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: -1]: Loop Invariant Derived loop invariant: null - 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: 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: 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! [2024-10-14 15:19:30,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE