./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:10:30,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:10:30,442 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:10:30,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:10:30,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:10:30,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:10:30,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:10:30,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:10:30,486 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:10:30,487 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:10:30,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:10:30,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:10:30,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:10:30,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:10:30,488 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:10:30,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:10:30,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:10:30,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:10:30,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:10:30,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:10:30,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:10:30,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:10:30,493 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:10:30,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:10:30,494 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:10:30,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:10:30,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:10:30,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:10:30,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:10:30,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:10:30,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:10:30,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:10:30,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:10:30,495 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:10:30,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:10:30,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:10:30,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:10:30,496 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:10:30,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:10:30,496 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 [2024-11-19 03:10:30,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:10:30,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:10:30,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:10:30,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:10:30,729 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:10:30,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-11-19 03:10:31,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:10:32,292 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:10:32,293 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 [2024-11-19 03:10:32,327 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8359f3471/a8e00d82127c44a5847986139e9e082c/FLAGfb2b030d9 [2024-11-19 03:10:32,554 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8359f3471/a8e00d82127c44a5847986139e9e082c [2024-11-19 03:10:32,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:10:32,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:10:32,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:10:32,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:10:32,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:10:32,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:32" (1/1) ... [2024-11-19 03:10:32,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d68c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:32, skipping insertion in model container [2024-11-19 03:10:32,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:32" (1/1) ... [2024-11-19 03:10:32,637 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:10:33,546 WARN L250 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] [2024-11-19 03:10:33,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:10:33,699 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:10:33,850 WARN L250 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] [2024-11-19 03:10:33,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:10:33,989 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:10:33,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33 WrapperNode [2024-11-19 03:10:33,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:10:33,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:10:33,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:10:33,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:10:33,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33" (1/1) ... [2024-11-19 03:10:34,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33" (1/1) ... [2024-11-19 03:10:34,202 INFO L138 Inliner]: procedures = 167, calls = 3358, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 4507 [2024-11-19 03:10:34,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:10:34,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:10:34,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:10:34,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:10:34,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33" (1/1) ... [2024-11-19 03:10:34,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33" (1/1) ... [2024-11-19 03:10:34,252 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33" (1/1) ... [2024-11-19 03:10:34,365 INFO L175 MemorySlicer]: Split 2952 memory accesses to 19 slices as follows [2, 24, 13, 13, 13, 6, 6, 5, 138, 14, 4, 33, 9, 2, 7, 20, 2, 2, 2639]. 89 percent of accesses are in the largest equivalence class. The 2525 initializations are split as follows [2, 0, 0, 13, 13, 0, 6, 5, 0, 14, 4, 24, 0, 0, 4, 20, 0, 0, 2420]. The 294 writes are split as follows [0, 24, 9, 0, 0, 5, 0, 0, 136, 0, 0, 0, 0, 0, 0, 0, 0, 0, 120]. [2024-11-19 03:10:34,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33" (1/1) ... [2024-11-19 03:10:34,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33" (1/1) ... [2024-11-19 03:10:34,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33" (1/1) ... [2024-11-19 03:10:34,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33" (1/1) ... [2024-11-19 03:10:34,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33" (1/1) ... [2024-11-19 03:10:34,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33" (1/1) ... [2024-11-19 03:10:34,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:10:34,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:10:34,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:10:34,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:10:34,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33" (1/1) ... [2024-11-19 03:10:34,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:10:34,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:10:34,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:10:34,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:10:34,676 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2024-11-19 03:10:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2024-11-19 03:10:34,676 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-19 03:10:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-19 03:10:34,676 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-19 03:10:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-19 03:10:34,676 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2024-11-19 03:10:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2024-11-19 03:10:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-19 03:10:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-19 03:10:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-19 03:10:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-19 03:10:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:10:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:10:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:10:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:10:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:10:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:10:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:10:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:10:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:10:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:10:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:10:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:10:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:10:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:10:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:10:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 03:10:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 03:10:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-19 03:10:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-19 03:10:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2024-11-19 03:10:34,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2024-11-19 03:10:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2024-11-19 03:10:34,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2024-11-19 03:10:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 03:10:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 03:10:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 03:10:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 03:10:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 03:10:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 03:10:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 03:10:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 03:10:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 03:10:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 03:10:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 03:10:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-19 03:10:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-19 03:10:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-19 03:10:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-19 03:10:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-19 03:10:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-19 03:10:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-19 03:10:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-19 03:10:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:10:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:10:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:10:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:10:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:10:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:10:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:10:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:10:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:10:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:10:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:10:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:10:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:10:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:10:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:10:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 03:10:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 03:10:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-19 03:10:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-19 03:10:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:10:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:10:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:10:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:10:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:10:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:10:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:10:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:10:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:10:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:10:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:10:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:10:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:10:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:10:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:10:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 03:10:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 03:10:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 03:10:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 03:10:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2024-11-19 03:10:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2024-11-19 03:10:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-19 03:10:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-19 03:10:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:10:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:10:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:10:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:10:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:10:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:10:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:10:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:10:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:10:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:10:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:10:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-19 03:10:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-19 03:10:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-19 03:10:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-19 03:10:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-19 03:10:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-19 03:10:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-19 03:10:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-19 03:10:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:10:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:10:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:10:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:10:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:10:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:10:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:10:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-19 03:10:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:10:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-11-19 03:10:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2024-11-19 03:10:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2024-11-19 03:10:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2024-11-19 03:10:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-19 03:10:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-19 03:10:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2024-11-19 03:10:34,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2024-11-19 03:10:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:10:34,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:10:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2024-11-19 03:10:34,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2024-11-19 03:10:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:10:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2024-11-19 03:10:34,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2024-11-19 03:10:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-19 03:10:34,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-19 03:10:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2024-11-19 03:10:34,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2024-11-19 03:10:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-19 03:10:34,739 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-19 03:10:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2024-11-19 03:10:34,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2024-11-19 03:10:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2024-11-19 03:10:34,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2024-11-19 03:10:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:10:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2024-11-19 03:10:34,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2024-11-19 03:10:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2024-11-19 03:10:34,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2024-11-19 03:10:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2024-11-19 03:10:34,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2024-11-19 03:10:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-19 03:10:34,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-19 03:10:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:10:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:10:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:10:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:10:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:10:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:10:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:10:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:10:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:10:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:10:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:10:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:10:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:10:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:10:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:10:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:10:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 03:10:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 03:10:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 03:10:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 03:10:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2024-11-19 03:10:34,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2024-11-19 03:10:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2024-11-19 03:10:34,743 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:10:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:10:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:10:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 03:10:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 03:10:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 03:10:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 03:10:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 03:10:34,744 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 03:10:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2024-11-19 03:10:34,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2024-11-19 03:10:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2024-11-19 03:10:34,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2024-11-19 03:10:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2024-11-19 03:10:34,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2024-11-19 03:10:34,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 03:10:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-19 03:10:34,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-19 03:10:34,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-19 03:10:34,746 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-19 03:10:34,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-19 03:10:34,746 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-19 03:10:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-19 03:10:34,747 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:10:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:10:34,747 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-19 03:10:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-19 03:10:34,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2024-11-19 03:10:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2024-11-19 03:10:34,747 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-19 03:10:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-19 03:10:34,747 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-19 03:10:34,748 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-19 03:10:34,748 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-11-19 03:10:34,750 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-11-19 03:10:34,750 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2024-11-19 03:10:34,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 03:10:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2024-11-19 03:10:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:10:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:10:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2024-11-19 03:10:34,753 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2024-11-19 03:10:35,175 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:10:35,178 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:10:46,845 INFO L? ?]: Removed 969 outVars from TransFormulas that were not future-live. [2024-11-19 03:10:46,846 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:10:46,875 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:10:46,876 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-19 03:10:46,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:46 BoogieIcfgContainer [2024-11-19 03:10:46,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:10:46,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:10:46,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:10:46,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:10:46,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:10:32" (1/3) ... [2024-11-19 03:10:46,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d66af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:10:46, skipping insertion in model container [2024-11-19 03:10:46,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:33" (2/3) ... [2024-11-19 03:10:46,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d66af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:10:46, skipping insertion in model container [2024-11-19 03:10:46,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:46" (3/3) ... [2024-11-19 03:10:46,885 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-11-19 03:10:46,898 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:10:46,898 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:10:46,978 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:10:46,983 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;@131413bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:10:46,983 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:10:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 847 states, 628 states have (on average 1.3853503184713376) internal successors, (870), 652 states have internal predecessors, (870), 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) [2024-11-19 03:10:46,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 03:10:46,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:10:46,996 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:10:46,996 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:10:47,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:10:47,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1404934093, now seen corresponding path program 1 times [2024-11-19 03:10:47,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:10:47,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626216186] [2024-11-19 03:10:47,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:10:47,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:10:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:10:49,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:10:49,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:10:49,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626216186] [2024-11-19 03:10:49,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626216186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:10:49,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:10:49,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:10:49,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643377895] [2024-11-19 03:10:49,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:10:49,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:10:49,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:10:49,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:10:49,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:10:49,613 INFO L87 Difference]: Start difference. First operand has 847 states, 628 states have (on average 1.3853503184713376) internal successors, (870), 652 states have internal predecessors, (870), 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 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-19 03:10:49,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:10:49,950 INFO L93 Difference]: Finished difference Result 2432 states and 3593 transitions. [2024-11-19 03:10:49,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:10:49,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2024-11-19 03:10:49,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:10:49,975 INFO L225 Difference]: With dead ends: 2432 [2024-11-19 03:10:49,975 INFO L226 Difference]: Without dead ends: 1580 [2024-11-19 03:10:49,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:10:49,985 INFO L432 NwaCegarLoop]: 1174 mSDtfsCounter, 1073 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 2325 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:10:49,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 2325 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:10:50,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2024-11-19 03:10:50,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1568. [2024-11-19 03:10:50,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1163 states have (on average 1.3766122098022355) internal successors, (1601), 1195 states have internal predecessors, (1601), 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) [2024-11-19 03:10:50,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2231 transitions. [2024-11-19 03:10:50,124 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2231 transitions. Word has length 16 [2024-11-19 03:10:50,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:10:50,124 INFO L471 AbstractCegarLoop]: Abstraction has 1568 states and 2231 transitions. [2024-11-19 03:10:50,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-19 03:10:50,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2231 transitions. [2024-11-19 03:10:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-19 03:10:50,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:10:50,127 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:10:50,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:10:50,128 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:10:50,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:10:50,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1151905802, now seen corresponding path program 1 times [2024-11-19 03:10:50,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:10:50,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668846470] [2024-11-19 03:10:50,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:10:50,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:10:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:10:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:10:52,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:10:52,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668846470] [2024-11-19 03:10:52,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668846470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:10:52,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:10:52,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 03:10:52,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95615210] [2024-11-19 03:10:52,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:10:52,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:10:52,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:10:52,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:10:52,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:10:52,205 INFO L87 Difference]: Start difference. First operand 1568 states and 2231 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-11-19 03:10:52,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:10:52,277 INFO L93 Difference]: Finished difference Result 3133 states and 4459 transitions. [2024-11-19 03:10:52,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:10:52,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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 18 [2024-11-19 03:10:52,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:10:52,290 INFO L225 Difference]: With dead ends: 3133 [2024-11-19 03:10:52,290 INFO L226 Difference]: Without dead ends: 1568 [2024-11-19 03:10:52,296 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 [2024-11-19 03:10:52,298 INFO L432 NwaCegarLoop]: 1169 mSDtfsCounter, 1160 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:10:52,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1160 Valid, 1169 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:10:52,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2024-11-19 03:10:52,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1568. [2024-11-19 03:10:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1163 states have (on average 1.3748925193465176) internal successors, (1599), 1195 states have internal predecessors, (1599), 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) [2024-11-19 03:10:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2229 transitions. [2024-11-19 03:10:52,423 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2229 transitions. Word has length 18 [2024-11-19 03:10:52,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:10:52,423 INFO L471 AbstractCegarLoop]: Abstraction has 1568 states and 2229 transitions. [2024-11-19 03:10:52,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-11-19 03:10:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2229 transitions. [2024-11-19 03:10:52,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 03:10:52,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:10:52,428 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] [2024-11-19 03:10:52,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:10:52,429 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:10:52,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:10:52,429 INFO L85 PathProgramCache]: Analyzing trace with hash -403909736, now seen corresponding path program 1 times [2024-11-19 03:10:52,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:10:52,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596145324] [2024-11-19 03:10:52,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:10:52,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:10:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:10:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:10:54,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:10:54,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596145324] [2024-11-19 03:10:54,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596145324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:10:54,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:10:54,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:10:54,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909887464] [2024-11-19 03:10:54,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:10:54,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:10:54,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:10:54,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:10:54,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:10:54,558 INFO L87 Difference]: Start difference. First operand 1568 states and 2229 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-19 03:10:58,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:10:58,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:10:58,890 INFO L93 Difference]: Finished difference Result 4319 states and 6136 transitions. [2024-11-19 03:10:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:10:58,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 21 [2024-11-19 03:10:58,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:10:58,910 INFO L225 Difference]: With dead ends: 4319 [2024-11-19 03:10:58,910 INFO L226 Difference]: Without dead ends: 2754 [2024-11-19 03:10:58,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:10:58,920 INFO L432 NwaCegarLoop]: 1289 mSDtfsCounter, 1126 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:10:58,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1126 Valid, 2202 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-19 03:10:58,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2024-11-19 03:10:59,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 2728. [2024-11-19 03:10:59,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2728 states, 1989 states have (on average 1.3740573152337858) internal successors, (2733), 2046 states have internal predecessors, (2733), 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) [2024-11-19 03:10:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 3877 transitions. [2024-11-19 03:10:59,051 INFO L78 Accepts]: Start accepts. Automaton has 2728 states and 3877 transitions. Word has length 21 [2024-11-19 03:10:59,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:10:59,053 INFO L471 AbstractCegarLoop]: Abstraction has 2728 states and 3877 transitions. [2024-11-19 03:10:59,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-19 03:10:59,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3877 transitions. [2024-11-19 03:10:59,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 03:10:59,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:10:59,057 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:10:59,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:10:59,058 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:10:59,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:10:59,059 INFO L85 PathProgramCache]: Analyzing trace with hash -2024172371, now seen corresponding path program 1 times [2024-11-19 03:10:59,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:10:59,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697043829] [2024-11-19 03:10:59,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:10:59,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:11:01,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:01,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697043829] [2024-11-19 03:11:01,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697043829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:01,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:11:01,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:11:01,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774718099] [2024-11-19 03:11:01,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:01,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:01,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:01,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:01,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:11:01,185 INFO L87 Difference]: Start difference. First operand 2728 states and 3877 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-19 03:11:01,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:01,426 INFO L93 Difference]: Finished difference Result 5473 states and 7781 transitions. [2024-11-19 03:11:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:01,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2024-11-19 03:11:01,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:01,444 INFO L225 Difference]: With dead ends: 5473 [2024-11-19 03:11:01,445 INFO L226 Difference]: Without dead ends: 2748 [2024-11-19 03:11:01,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:11:01,458 INFO L432 NwaCegarLoop]: 1166 mSDtfsCounter, 13 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2329 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:01,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2329 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:11:01,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2024-11-19 03:11:01,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2730. [2024-11-19 03:11:01,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 1991 states have (on average 1.3736815670517328) internal successors, (2735), 2048 states have internal predecessors, (2735), 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) [2024-11-19 03:11:01,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3879 transitions. [2024-11-19 03:11:01,555 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3879 transitions. Word has length 30 [2024-11-19 03:11:01,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:01,555 INFO L471 AbstractCegarLoop]: Abstraction has 2730 states and 3879 transitions. [2024-11-19 03:11:01,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-19 03:11:01,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3879 transitions. [2024-11-19 03:11:01,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 03:11:01,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:01,557 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, 1] [2024-11-19 03:11:01,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:11:01,557 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:01,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:01,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1331255020, now seen corresponding path program 1 times [2024-11-19 03:11:01,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:01,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054004754] [2024-11-19 03:11:01,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:01,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:03,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:11:03,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:03,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054004754] [2024-11-19 03:11:03,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054004754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:03,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309872731] [2024-11-19 03:11:03,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:03,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:03,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:03,959 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) [2024-11-19 03:11:03,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:11:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:06,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 6659 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 03:11:06,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 03:11:06,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:06,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309872731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:06,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:06,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:06,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725766989] [2024-11-19 03:11:06,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:06,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:06,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:06,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:06,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:06,691 INFO L87 Difference]: Start difference. First operand 2730 states and 3879 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-19 03:11:06,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:06,834 INFO L93 Difference]: Finished difference Result 5491 states and 7809 transitions. [2024-11-19 03:11:06,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:06,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 34 [2024-11-19 03:11:06,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:06,851 INFO L225 Difference]: With dead ends: 5491 [2024-11-19 03:11:06,851 INFO L226 Difference]: Without dead ends: 2764 [2024-11-19 03:11:06,861 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 [2024-11-19 03:11:06,862 INFO L432 NwaCegarLoop]: 1165 mSDtfsCounter, 15 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2324 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:06,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2324 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:11:06,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2024-11-19 03:11:06,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2734. [2024-11-19 03:11:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2734 states, 1995 states have (on average 1.3729323308270676) internal successors, (2739), 2052 states have internal predecessors, (2739), 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) [2024-11-19 03:11:06,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 3883 transitions. [2024-11-19 03:11:06,948 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 3883 transitions. Word has length 34 [2024-11-19 03:11:06,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:06,949 INFO L471 AbstractCegarLoop]: Abstraction has 2734 states and 3883 transitions. [2024-11-19 03:11:06,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-19 03:11:06,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3883 transitions. [2024-11-19 03:11:06,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-19 03:11:06,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:06,951 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, 1, 1, 1, 1, 1] [2024-11-19 03:11:06,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 03:11:07,152 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 [2024-11-19 03:11:07,153 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:07,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:07,154 INFO L85 PathProgramCache]: Analyzing trace with hash 419653563, now seen corresponding path program 1 times [2024-11-19 03:11:07,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:07,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252945443] [2024-11-19 03:11:07,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:07,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 03:11:09,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:09,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252945443] [2024-11-19 03:11:09,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252945443] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:09,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746029660] [2024-11-19 03:11:09,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:09,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:09,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:09,476 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) [2024-11-19 03:11:09,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 03:11:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:12,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 6678 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:11:12,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:12,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 03:11:12,296 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:12,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746029660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:12,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:12,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:12,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075550065] [2024-11-19 03:11:12,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:12,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:12,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:12,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:12,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:12,298 INFO L87 Difference]: Start difference. First operand 2734 states and 3883 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-19 03:11:12,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:12,528 INFO L93 Difference]: Finished difference Result 8148 states and 11567 transitions. [2024-11-19 03:11:12,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:12,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 38 [2024-11-19 03:11:12,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:12,559 INFO L225 Difference]: With dead ends: 8148 [2024-11-19 03:11:12,560 INFO L226 Difference]: Without dead ends: 5417 [2024-11-19 03:11:12,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:12,578 INFO L432 NwaCegarLoop]: 1476 mSDtfsCounter, 1134 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 2624 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:12,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 2624 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:11:12,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5417 states. [2024-11-19 03:11:12,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5417 to 4213. [2024-11-19 03:11:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4213 states, 3094 states have (on average 1.3713639301874596) internal successors, (4243), 3177 states have internal predecessors, (4243), 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) [2024-11-19 03:11:12,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 4213 states and 5975 transitions. [2024-11-19 03:11:12,752 INFO L78 Accepts]: Start accepts. Automaton has 4213 states and 5975 transitions. Word has length 38 [2024-11-19 03:11:12,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:12,753 INFO L471 AbstractCegarLoop]: Abstraction has 4213 states and 5975 transitions. [2024-11-19 03:11:12,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-19 03:11:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand 4213 states and 5975 transitions. [2024-11-19 03:11:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 03:11:12,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:12,755 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, 1, 1, 1, 1, 1, 1] [2024-11-19 03:11:12,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 03:11:12,955 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 [2024-11-19 03:11:12,956 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:12,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:12,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1400130688, now seen corresponding path program 1 times [2024-11-19 03:11:12,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:12,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373665964] [2024-11-19 03:11:12,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:12,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:11:14,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:14,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373665964] [2024-11-19 03:11:14,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373665964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:14,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002059550] [2024-11-19 03:11:14,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:14,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:14,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:14,985 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) [2024-11-19 03:11:14,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 03:11:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:17,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 6734 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:11:17,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 03:11:17,617 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:17,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002059550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:17,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:17,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:17,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852380663] [2024-11-19 03:11:17,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:17,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:17,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:17,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:17,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:17,619 INFO L87 Difference]: Start difference. First operand 4213 states and 5975 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-19 03:11:17,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:17,753 INFO L93 Difference]: Finished difference Result 8453 states and 11997 transitions. [2024-11-19 03:11:17,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:17,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 39 [2024-11-19 03:11:17,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:17,776 INFO L225 Difference]: With dead ends: 8453 [2024-11-19 03:11:17,777 INFO L226 Difference]: Without dead ends: 4243 [2024-11-19 03:11:17,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:17,792 INFO L432 NwaCegarLoop]: 1167 mSDtfsCounter, 21 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2317 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:17,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2317 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:11:17,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4243 states. [2024-11-19 03:11:17,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4243 to 4243. [2024-11-19 03:11:17,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4243 states, 3118 states have (on average 1.371712636305324) internal successors, (4277), 3201 states have internal predecessors, (4277), 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) [2024-11-19 03:11:17,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 6021 transitions. [2024-11-19 03:11:17,927 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 6021 transitions. Word has length 39 [2024-11-19 03:11:17,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:17,928 INFO L471 AbstractCegarLoop]: Abstraction has 4243 states and 6021 transitions. [2024-11-19 03:11:17,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-19 03:11:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 6021 transitions. [2024-11-19 03:11:17,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 03:11:17,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:17,930 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:11:17,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 03:11:18,130 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 [2024-11-19 03:11:18,131 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:18,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:18,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1892238975, now seen corresponding path program 1 times [2024-11-19 03:11:18,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:18,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166419597] [2024-11-19 03:11:18,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:18,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:11:20,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:20,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166419597] [2024-11-19 03:11:20,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166419597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:20,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473416150] [2024-11-19 03:11:20,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:20,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:20,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:20,385 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) [2024-11-19 03:11:20,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 03:11:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:23,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 6827 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:11:23,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 03:11:23,455 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:23,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473416150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:23,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:23,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:23,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916961663] [2024-11-19 03:11:23,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:23,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:23,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:23,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:23,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:23,457 INFO L87 Difference]: Start difference. First operand 4243 states and 6021 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:27,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:11:27,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:27,678 INFO L93 Difference]: Finished difference Result 4245 states and 6022 transitions. [2024-11-19 03:11:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:27,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-11-19 03:11:27,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:27,715 INFO L225 Difference]: With dead ends: 4245 [2024-11-19 03:11:27,719 INFO L226 Difference]: Without dead ends: 4242 [2024-11-19 03:11:27,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:27,723 INFO L432 NwaCegarLoop]: 1167 mSDtfsCounter, 1121 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:27,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 1167 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:11:27,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4242 states. [2024-11-19 03:11:27,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4242 to 4242. [2024-11-19 03:11:27,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4242 states, 3118 states have (on average 1.3713919178960872) internal successors, (4276), 3200 states have internal predecessors, (4276), 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) [2024-11-19 03:11:27,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 4242 states and 6019 transitions. [2024-11-19 03:11:27,876 INFO L78 Accepts]: Start accepts. Automaton has 4242 states and 6019 transitions. Word has length 50 [2024-11-19 03:11:27,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:27,877 INFO L471 AbstractCegarLoop]: Abstraction has 4242 states and 6019 transitions. [2024-11-19 03:11:27,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 4242 states and 6019 transitions. [2024-11-19 03:11:27,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-19 03:11:27,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:27,880 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:11:27,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 03:11:28,080 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 [2024-11-19 03:11:28,081 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:28,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:28,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1469794859, now seen corresponding path program 1 times [2024-11-19 03:11:28,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:28,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583380117] [2024-11-19 03:11:28,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:28,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:30,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:11:30,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:30,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583380117] [2024-11-19 03:11:30,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583380117] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:30,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755661545] [2024-11-19 03:11:30,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:30,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:30,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:30,086 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) [2024-11-19 03:11:30,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 03:11:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:32,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 6829 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:11:32,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 03:11:33,150 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:33,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755661545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:33,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:33,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:33,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979618855] [2024-11-19 03:11:33,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:33,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:33,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:33,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:33,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:33,152 INFO L87 Difference]: Start difference. First operand 4242 states and 6019 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:37,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:11:37,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:37,441 INFO L93 Difference]: Finished difference Result 4244 states and 6020 transitions. [2024-11-19 03:11:37,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:37,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-11-19 03:11:37,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:37,469 INFO L225 Difference]: With dead ends: 4244 [2024-11-19 03:11:37,469 INFO L226 Difference]: Without dead ends: 4241 [2024-11-19 03:11:37,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:37,472 INFO L432 NwaCegarLoop]: 1165 mSDtfsCounter, 1118 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:37,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1118 Valid, 1165 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-19 03:11:37,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4241 states. [2024-11-19 03:11:37,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4241 to 4241. [2024-11-19 03:11:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4241 states, 3118 states have (on average 1.3710711994868505) internal successors, (4275), 3199 states have internal predecessors, (4275), 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) [2024-11-19 03:11:37,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 4241 states and 6017 transitions. [2024-11-19 03:11:37,619 INFO L78 Accepts]: Start accepts. Automaton has 4241 states and 6017 transitions. Word has length 51 [2024-11-19 03:11:37,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:37,620 INFO L471 AbstractCegarLoop]: Abstraction has 4241 states and 6017 transitions. [2024-11-19 03:11:37,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 4241 states and 6017 transitions. [2024-11-19 03:11:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-19 03:11:37,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:37,621 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:11:37,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 03:11:37,822 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 [2024-11-19 03:11:37,823 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:37,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:37,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1681333820, now seen corresponding path program 1 times [2024-11-19 03:11:37,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:37,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022038112] [2024-11-19 03:11:37,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:37,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:11:39,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:39,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022038112] [2024-11-19 03:11:39,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022038112] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:39,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113237233] [2024-11-19 03:11:39,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:39,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:39,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:39,839 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) [2024-11-19 03:11:39,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 03:11:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:42,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 6831 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:11:42,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 03:11:42,882 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:42,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113237233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:42,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:42,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:42,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122920950] [2024-11-19 03:11:42,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:42,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:42,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:42,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:42,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:42,883 INFO L87 Difference]: Start difference. First operand 4241 states and 6017 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:46,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:11:47,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:47,087 INFO L93 Difference]: Finished difference Result 4243 states and 6018 transitions. [2024-11-19 03:11:47,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:47,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2024-11-19 03:11:47,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:47,102 INFO L225 Difference]: With dead ends: 4243 [2024-11-19 03:11:47,102 INFO L226 Difference]: Without dead ends: 4240 [2024-11-19 03:11:47,103 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 [2024-11-19 03:11:47,104 INFO L432 NwaCegarLoop]: 1163 mSDtfsCounter, 1115 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:47,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 1163 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:11:47,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4240 states. [2024-11-19 03:11:47,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4240 to 4240. [2024-11-19 03:11:47,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4240 states, 3118 states have (on average 1.3707504810776139) internal successors, (4274), 3198 states have internal predecessors, (4274), 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) [2024-11-19 03:11:47,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 4240 states and 6015 transitions. [2024-11-19 03:11:47,237 INFO L78 Accepts]: Start accepts. Automaton has 4240 states and 6015 transitions. Word has length 52 [2024-11-19 03:11:47,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:47,237 INFO L471 AbstractCegarLoop]: Abstraction has 4240 states and 6015 transitions. [2024-11-19 03:11:47,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:47,238 INFO L276 IsEmpty]: Start isEmpty. Operand 4240 states and 6015 transitions. [2024-11-19 03:11:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-19 03:11:47,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:47,239 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:11:47,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 03:11:47,440 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 [2024-11-19 03:11:47,441 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:47,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:47,442 INFO L85 PathProgramCache]: Analyzing trace with hash -582070194, now seen corresponding path program 1 times [2024-11-19 03:11:47,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:47,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579849561] [2024-11-19 03:11:47,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:47,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:49,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:11:49,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:49,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579849561] [2024-11-19 03:11:49,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579849561] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:49,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840051058] [2024-11-19 03:11:49,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:49,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:49,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:49,492 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) [2024-11-19 03:11:49,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 03:11:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:52,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 6833 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:11:52,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:11:52,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 03:11:52,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:11:52,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840051058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:11:52,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:11:52,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:11:52,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167007756] [2024-11-19 03:11:52,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:11:52,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:11:52,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:11:52,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:11:52,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:11:52,837 INFO L87 Difference]: Start difference. First operand 4240 states and 6015 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:56,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:11:57,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:11:57,076 INFO L93 Difference]: Finished difference Result 4242 states and 6016 transitions. [2024-11-19 03:11:57,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:11:57,076 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2024-11-19 03:11:57,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:11:57,094 INFO L225 Difference]: With dead ends: 4242 [2024-11-19 03:11:57,094 INFO L226 Difference]: Without dead ends: 4210 [2024-11-19 03:11:57,097 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 [2024-11-19 03:11:57,097 INFO L432 NwaCegarLoop]: 1159 mSDtfsCounter, 1082 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:11:57,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1082 Valid, 1183 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:11:57,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4210 states. [2024-11-19 03:11:57,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4210 to 4210. [2024-11-19 03:11:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4210 states, 3096 states have (on average 1.3695090439276485) internal successors, (4240), 3174 states have internal predecessors, (4240), 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) [2024-11-19 03:11:57,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4210 states to 4210 states and 5973 transitions. [2024-11-19 03:11:57,261 INFO L78 Accepts]: Start accepts. Automaton has 4210 states and 5973 transitions. Word has length 53 [2024-11-19 03:11:57,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:11:57,263 INFO L471 AbstractCegarLoop]: Abstraction has 4210 states and 5973 transitions. [2024-11-19 03:11:57,263 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 03:11:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 4210 states and 5973 transitions. [2024-11-19 03:11:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 03:11:57,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:11:57,268 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:11:57,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 03:11:57,469 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 [2024-11-19 03:11:57,469 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:11:57,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:11:57,469 INFO L85 PathProgramCache]: Analyzing trace with hash 817889658, now seen corresponding path program 1 times [2024-11-19 03:11:57,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:11:57,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276951619] [2024-11-19 03:11:57,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:57,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:11:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:11:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:11:59,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:11:59,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276951619] [2024-11-19 03:11:59,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276951619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:11:59,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744947774] [2024-11-19 03:11:59,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:11:59,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:11:59,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:11:59,581 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) [2024-11-19 03:11:59,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process