./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../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-803cd42-m [2024-11-22 15:09:05,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 15:09:05,926 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 15:09:05,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 15:09:05,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 15:09:05,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 15:09:05,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 15:09:05,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 15:09:05,971 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 15:09:05,972 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 15:09:05,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 15:09:05,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 15:09:05,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 15:09:05,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 15:09:05,973 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 15:09:05,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 15:09:05,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 15:09:05,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 15:09:05,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 15:09:05,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 15:09:05,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 15:09:05,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 15:09:05,982 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 15:09:05,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 15:09:05,982 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 15:09:05,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 15:09:05,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 15:09:05,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 15:09:05,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 15:09:05,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:09:05,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 15:09:05,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 15:09:05,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 15:09:05,983 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 15:09:05,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 15:09:05,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 15:09:05,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 15:09:05,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 15:09:05,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 15:09:05,984 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 [2024-11-22 15:09:06,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 15:09:06,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 15:09:06,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 15:09:06,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 15:09:06,190 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 15:09:06,191 INFO L431 ainManager$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 [2024-11-22 15:09:07,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 15:09:07,822 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 15:09:07,823 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 [2024-11-22 15:09:07,855 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a65df5f/91f5e4c60db542e8bb97ca961ada0478/FLAG285633c7a [2024-11-22 15:09:08,074 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a65df5f/91f5e4c60db542e8bb97ca961ada0478 [2024-11-22 15:09:08,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 15:09:08,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 15:09:08,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 15:09:08,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 15:09:08,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 15:09:08,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:09:08" (1/1) ... [2024-11-22 15:09:08,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12afe4aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:08, skipping insertion in model container [2024-11-22 15:09:08,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:09:08" (1/1) ... [2024-11-22 15:09:08,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 15:09:08,940 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] [2024-11-22 15:09:08,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:09:09,054 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 15:09:09,292 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] [2024-11-22 15:09:09,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:09:09,384 INFO L204 MainTranslator]: Completed translation [2024-11-22 15:09:09,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09 WrapperNode [2024-11-22 15:09:09,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 15:09:09,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 15:09:09,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 15:09:09,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 15:09:09,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09" (1/1) ... [2024-11-22 15:09:09,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09" (1/1) ... [2024-11-22 15:09:09,614 INFO L138 Inliner]: procedures = 167, calls = 3358, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 4507 [2024-11-22 15:09:09,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 15:09:09,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 15:09:09,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 15:09:09,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 15:09:09,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09" (1/1) ... [2024-11-22 15:09:09,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09" (1/1) ... [2024-11-22 15:09:09,653 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09" (1/1) ... [2024-11-22 15:09:09,755 INFO L175 MemorySlicer]: Split 2952 memory accesses to 19 slices as follows [2, 2, 4, 13, 13, 9, 6, 5, 6, 14, 13, 33, 138, 7, 2, 2, 20, 24, 2639]. 89 percent of accesses are in the largest equivalence class. The 2525 initializations are split as follows [2, 0, 4, 13, 13, 0, 6, 5, 0, 14, 0, 24, 0, 4, 0, 0, 20, 0, 2420]. The 294 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 9, 0, 136, 0, 0, 0, 0, 24, 120]. [2024-11-22 15:09:09,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09" (1/1) ... [2024-11-22 15:09:09,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09" (1/1) ... [2024-11-22 15:09:09,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09" (1/1) ... [2024-11-22 15:09:09,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09" (1/1) ... [2024-11-22 15:09:09,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09" (1/1) ... [2024-11-22 15:09:09,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09" (1/1) ... [2024-11-22 15:09:09,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 15:09:09,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 15:09:09,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 15:09:09,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 15:09:09,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09" (1/1) ... [2024-11-22 15:09:09,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:09:09,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:09:10,016 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) [2024-11-22 15:09:10,025 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 [2024-11-22 15:09:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2024-11-22 15:09:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2024-11-22 15:09:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-22 15:09:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-22 15:09:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-22 15:09:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-22 15:09:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2024-11-22 15:09:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2024-11-22 15:09:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-22 15:09:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-22 15:09:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-22 15:09:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-22 15:09:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 15:09:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 15:09:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 15:09:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 15:09:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 15:09:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 15:09:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 15:09:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 15:09:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 15:09:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-22 15:09:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-22 15:09:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-22 15:09:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-22 15:09:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-22 15:09:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-22 15:09:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-22 15:09:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-22 15:09:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-22 15:09:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-22 15:09:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2024-11-22 15:09:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2024-11-22 15:09:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2024-11-22 15:09:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2024-11-22 15:09:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-22 15:09:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-22 15:09:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-22 15:09:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-22 15:09:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-22 15:09:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-22 15:09:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-22 15:09:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-22 15:09:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-22 15:09:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-22 15:09:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-22 15:09:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-22 15:09:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-22 15:09:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-22 15:09:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-22 15:09:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-22 15:09:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-22 15:09:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-22 15:09:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-22 15:09:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 15:09:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 15:09:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 15:09:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 15:09:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 15:09:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 15:09:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 15:09:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 15:09:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 15:09:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-22 15:09:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-22 15:09:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-22 15:09:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-22 15:09:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-22 15:09:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-22 15:09:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-22 15:09:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-22 15:09:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-22 15:09:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-22 15:09:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 15:09:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 15:09:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 15:09:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 15:09:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 15:09:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 15:09:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 15:09:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 15:09:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 15:09:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 15:09:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 15:09:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 15:09:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 15:09:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 15:09:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-22 15:09:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-22 15:09:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-22 15:09:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-22 15:09:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-22 15:09:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2024-11-22 15:09:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2024-11-22 15:09:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-22 15:09:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-22 15:09:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-22 15:09:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-22 15:09:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-22 15:09:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-22 15:09:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-22 15:09:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-22 15:09:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-22 15:09:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-22 15:09:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-22 15:09:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-22 15:09:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-22 15:09:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-22 15:09:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-22 15:09:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-22 15:09:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-22 15:09:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-22 15:09:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-22 15:09:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-22 15:09:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-22 15:09:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-22 15:09:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-22 15:09:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-22 15:09:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-22 15:09:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-22 15:09:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-22 15:09:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-22 15:09:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-22 15:09:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-22 15:09:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-22 15:09:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-22 15:09:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-22 15:09:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-22 15:09:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-22 15:09:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-22 15:09:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-22 15:09:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-22 15:09:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-22 15:09:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-22 15:09:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 15:09:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 15:09:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-11-22 15:09:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-11-22 15:09:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2024-11-22 15:09:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2024-11-22 15:09:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2024-11-22 15:09:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2024-11-22 15:09:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 15:09:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 15:09:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 15:09:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 15:09:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 15:09:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 15:09:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 15:09:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 15:09:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 15:09:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 15:09:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 15:09:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 15:09:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 15:09:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 15:09:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-22 15:09:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-22 15:09:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-22 15:09:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-22 15:09:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-22 15:09:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-22 15:09:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-22 15:09:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2024-11-22 15:09:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2024-11-22 15:09:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-22 15:09:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-22 15:09:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2024-11-22 15:09:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2024-11-22 15:09:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 15:09:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2024-11-22 15:09:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2024-11-22 15:09:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-22 15:09:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-22 15:09:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2024-11-22 15:09:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2024-11-22 15:09:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-22 15:09:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-22 15:09:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2024-11-22 15:09:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2024-11-22 15:09:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2024-11-22 15:09:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2024-11-22 15:09:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 15:09:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2024-11-22 15:09:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2024-11-22 15:09:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2024-11-22 15:09:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2024-11-22 15:09:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2024-11-22 15:09:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2024-11-22 15:09:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-22 15:09:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-22 15:09:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 15:09:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 15:09:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 15:09:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 15:09:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 15:09:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 15:09:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-22 15:09:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2024-11-22 15:09:10,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2024-11-22 15:09:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2024-11-22 15:09:10,093 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2024-11-22 15:09:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 15:09:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 15:09:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 15:09:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 15:09:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 15:09:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 15:09:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 15:09:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 15:09:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 15:09:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-22 15:09:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-22 15:09:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-22 15:09:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-22 15:09:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-22 15:09:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-22 15:09:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-22 15:09:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-22 15:09:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-22 15:09:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-22 15:09:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-22 15:09:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-22 15:09:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2024-11-22 15:09:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2024-11-22 15:09:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2024-11-22 15:09:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2024-11-22 15:09:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2024-11-22 15:09:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2024-11-22 15:09:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 15:09:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2024-11-22 15:09:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2024-11-22 15:09:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 15:09:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 15:09:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 15:09:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 15:09:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 15:09:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 15:09:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 15:09:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 15:09:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-22 15:09:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-22 15:09:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-22 15:09:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-22 15:09:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-22 15:09:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-22 15:09:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-22 15:09:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-22 15:09:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-22 15:09:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-22 15:09:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-22 15:09:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-22 15:09:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-22 15:09:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-22 15:09:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-22 15:09:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-22 15:09:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-22 15:09:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-22 15:09:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-22 15:09:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2024-11-22 15:09:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2024-11-22 15:09:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-22 15:09:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-22 15:09:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-22 15:09:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-22 15:09:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-11-22 15:09:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2024-11-22 15:09:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 15:09:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2024-11-22 15:09:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-22 15:09:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-22 15:09:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-22 15:09:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-22 15:09:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-22 15:09:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-22 15:09:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-22 15:09:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-22 15:09:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-22 15:09:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-22 15:09:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-22 15:09:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-22 15:09:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 15:09:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 15:09:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2024-11-22 15:09:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2024-11-22 15:09:10,508 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 15:09:10,510 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 15:09:21,865 INFO L? ?]: Removed 969 outVars from TransFormulas that were not future-live. [2024-11-22 15:09:21,865 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 15:09:21,897 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 15:09:21,900 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-22 15:09:21,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:09:21 BoogieIcfgContainer [2024-11-22 15:09:21,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 15:09:21,902 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 15:09:21,902 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 15:09:21,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 15:09:21,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:09:08" (1/3) ... [2024-11-22 15:09:21,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572e296f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:09:21, skipping insertion in model container [2024-11-22 15:09:21,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:09" (2/3) ... [2024-11-22 15:09:21,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572e296f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:09:21, skipping insertion in model container [2024-11-22 15:09:21,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:09:21" (3/3) ... [2024-11-22 15:09:21,908 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-11-22 15:09:21,921 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 15:09:21,921 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 15:09:22,000 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 15:09:22,007 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;@7b652a1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 15:09:22,007 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 15:09:22,015 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) [2024-11-22 15:09:22,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-22 15:09:22,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:09:22,026 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:09:22,026 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:09:22,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:09:22,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1404934093, now seen corresponding path program 1 times [2024-11-22 15:09:22,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:09:22,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799701353] [2024-11-22 15:09:22,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:09:22,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:09:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:09:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:09:24,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:09:24,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799701353] [2024-11-22 15:09:24,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799701353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:09:24,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:09:24,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:09:24,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493637451] [2024-11-22 15:09:24,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:09:24,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:09:24,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:09:24,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:09:24,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:09:24,846 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) [2024-11-22 15:09:25,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:09:25,234 INFO L93 Difference]: Finished difference Result 2432 states and 3593 transitions. [2024-11-22 15:09:25,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:09:25,241 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 [2024-11-22 15:09:25,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:09:25,262 INFO L225 Difference]: With dead ends: 2432 [2024-11-22 15:09:25,262 INFO L226 Difference]: Without dead ends: 1580 [2024-11-22 15:09:25,270 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 [2024-11-22 15:09:25,273 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 [2024-11-22 15:09:25,273 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] [2024-11-22 15:09:25,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2024-11-22 15:09:25,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1568. [2024-11-22 15:09:25,391 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) [2024-11-22 15:09:25,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2231 transitions. [2024-11-22 15:09:25,413 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2231 transitions. Word has length 16 [2024-11-22 15:09:25,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:09:25,414 INFO L471 AbstractCegarLoop]: Abstraction has 1568 states and 2231 transitions. [2024-11-22 15:09:25,415 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) [2024-11-22 15:09:25,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2231 transitions. [2024-11-22 15:09:25,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-22 15:09:25,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:09:25,419 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:09:25,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 15:09:25,419 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:09:25,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:09:25,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1151905802, now seen corresponding path program 1 times [2024-11-22 15:09:25,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:09:25,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376885399] [2024-11-22 15:09:25,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:09:25,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:09:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:09:27,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:09:27,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:09:27,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376885399] [2024-11-22 15:09:27,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376885399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:09:27,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:09:27,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 15:09:27,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979849623] [2024-11-22 15:09:27,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:09:27,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:09:27,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:09:27,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:09:27,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:09:27,965 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) [2024-11-22 15:09:28,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:09:28,049 INFO L93 Difference]: Finished difference Result 3133 states and 4459 transitions. [2024-11-22 15:09:28,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:09:28,049 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 [2024-11-22 15:09:28,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:09:28,082 INFO L225 Difference]: With dead ends: 3133 [2024-11-22 15:09:28,082 INFO L226 Difference]: Without dead ends: 1568 [2024-11-22 15:09:28,089 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 [2024-11-22 15:09:28,091 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 [2024-11-22 15:09:28,091 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] [2024-11-22 15:09:28,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2024-11-22 15:09:28,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1568. [2024-11-22 15:09:28,142 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) [2024-11-22 15:09:28,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2229 transitions. [2024-11-22 15:09:28,153 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2229 transitions. Word has length 18 [2024-11-22 15:09:28,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:09:28,154 INFO L471 AbstractCegarLoop]: Abstraction has 1568 states and 2229 transitions. [2024-11-22 15:09:28,154 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) [2024-11-22 15:09:28,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2229 transitions. [2024-11-22 15:09:28,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-22 15:09:28,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:09:28,156 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] [2024-11-22 15:09:28,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 15:09:28,156 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:09:28,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:09:28,156 INFO L85 PathProgramCache]: Analyzing trace with hash -403909736, now seen corresponding path program 1 times [2024-11-22 15:09:28,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:09:28,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787141519] [2024-11-22 15:09:28,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:09:28,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:09:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:09:30,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:09:30,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:09:30,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787141519] [2024-11-22 15:09:30,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787141519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:09:30,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:09:30,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:09:30,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956725476] [2024-11-22 15:09:30,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:09:30,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:09:30,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:09:30,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:09:30,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:09:30,482 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) [2024-11-22 15:09:34,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:09:34,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:09:34,773 INFO L93 Difference]: Finished difference Result 4319 states and 6136 transitions. [2024-11-22 15:09:34,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:09:34,773 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 [2024-11-22 15:09:34,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:09:34,790 INFO L225 Difference]: With dead ends: 4319 [2024-11-22 15:09:34,790 INFO L226 Difference]: Without dead ends: 2754 [2024-11-22 15:09:34,796 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 [2024-11-22 15:09:34,798 INFO L432 NwaCegarLoop]: 1289 mSDtfsCounter, 1126 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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 [2024-11-22 15:09:34,799 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] [2024-11-22 15:09:34,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2024-11-22 15:09:34,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 2728. [2024-11-22 15:09:34,888 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) [2024-11-22 15:09:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 3877 transitions. [2024-11-22 15:09:34,975 INFO L78 Accepts]: Start accepts. Automaton has 2728 states and 3877 transitions. Word has length 21 [2024-11-22 15:09:34,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:09:34,976 INFO L471 AbstractCegarLoop]: Abstraction has 2728 states and 3877 transitions. [2024-11-22 15:09:34,976 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) [2024-11-22 15:09:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3877 transitions. [2024-11-22 15:09:34,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 15:09:34,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:09:34,979 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] [2024-11-22 15:09:34,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 15:09:34,979 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:09:34,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:09:34,981 INFO L85 PathProgramCache]: Analyzing trace with hash -2024172371, now seen corresponding path program 1 times [2024-11-22 15:09:34,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:09:34,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742216997] [2024-11-22 15:09:34,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:09:34,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:09:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:09:37,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:09:37,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:09:37,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742216997] [2024-11-22 15:09:37,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742216997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:09:37,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:09:37,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:09:37,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800190048] [2024-11-22 15:09:37,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:09:37,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:09:37,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:09:37,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:09:37,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:09:37,014 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) [2024-11-22 15:09:37,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:09:37,229 INFO L93 Difference]: Finished difference Result 5473 states and 7781 transitions. [2024-11-22 15:09:37,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:09:37,232 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 [2024-11-22 15:09:37,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:09:37,247 INFO L225 Difference]: With dead ends: 5473 [2024-11-22 15:09:37,247 INFO L226 Difference]: Without dead ends: 2748 [2024-11-22 15:09:37,258 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 [2024-11-22 15:09:37,260 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:09:37,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2329 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:09:37,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2024-11-22 15:09:37,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2730. [2024-11-22 15:09:37,407 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) [2024-11-22 15:09:37,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3879 transitions. [2024-11-22 15:09:37,419 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3879 transitions. Word has length 30 [2024-11-22 15:09:37,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:09:37,419 INFO L471 AbstractCegarLoop]: Abstraction has 2730 states and 3879 transitions. [2024-11-22 15:09:37,419 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) [2024-11-22 15:09:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3879 transitions. [2024-11-22 15:09:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-22 15:09:37,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:09:37,421 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] [2024-11-22 15:09:37,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 15:09:37,422 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:09:37,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:09:37,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1331255020, now seen corresponding path program 1 times [2024-11-22 15:09:37,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:09:37,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159784838] [2024-11-22 15:09:37,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:09:37,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:09:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:09:39,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:09:39,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:09:39,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159784838] [2024-11-22 15:09:39,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159784838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:09:39,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403021607] [2024-11-22 15:09:39,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:09:39,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:09:39,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:09:39,656 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) [2024-11-22 15:09:39,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 15:09:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:09:42,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 6659 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 15:09:42,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:09:42,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 15:09:42,713 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:09:42,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403021607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:09:42,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:09:42,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-22 15:09:42,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967425073] [2024-11-22 15:09:42,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:09:42,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:09:42,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:09:42,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:09:42,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:09:42,714 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) [2024-11-22 15:09:42,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:09:42,837 INFO L93 Difference]: Finished difference Result 5491 states and 7809 transitions. [2024-11-22 15:09:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:09:42,838 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 [2024-11-22 15:09:42,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:09:42,853 INFO L225 Difference]: With dead ends: 5491 [2024-11-22 15:09:42,854 INFO L226 Difference]: Without dead ends: 2764 [2024-11-22 15:09:42,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:09:42,864 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 [2024-11-22 15:09:42,864 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] [2024-11-22 15:09:42,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2024-11-22 15:09:42,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2734. [2024-11-22 15:09:42,933 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) [2024-11-22 15:09:42,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 3883 transitions. [2024-11-22 15:09:42,944 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 3883 transitions. Word has length 34 [2024-11-22 15:09:42,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:09:42,945 INFO L471 AbstractCegarLoop]: Abstraction has 2734 states and 3883 transitions. [2024-11-22 15:09:42,945 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) [2024-11-22 15:09:42,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3883 transitions. [2024-11-22 15:09:42,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-22 15:09:42,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:09:42,948 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] [2024-11-22 15:09:42,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 15:09:43,149 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 [2024-11-22 15:09:43,149 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:09:43,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:09:43,149 INFO L85 PathProgramCache]: Analyzing trace with hash 419653563, now seen corresponding path program 1 times [2024-11-22 15:09:43,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:09:43,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128636290] [2024-11-22 15:09:43,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:09:43,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:09:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:09:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 15:09:45,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:09:45,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128636290] [2024-11-22 15:09:45,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128636290] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:09:45,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028367732] [2024-11-22 15:09:45,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:09:45,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:09:45,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:09:45,374 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) [2024-11-22 15:09:45,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 15:09:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:09:48,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 6678 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 15:09:48,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:09:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 15:09:48,362 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:09:48,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028367732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:09:48,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:09:48,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-22 15:09:48,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776106762] [2024-11-22 15:09:48,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:09:48,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:09:48,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:09:48,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:09:48,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:09:48,363 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) [2024-11-22 15:09:48,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:09:48,587 INFO L93 Difference]: Finished difference Result 8148 states and 11567 transitions. [2024-11-22 15:09:48,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:09:48,587 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 [2024-11-22 15:09:48,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:09:48,615 INFO L225 Difference]: With dead ends: 8148 [2024-11-22 15:09:48,616 INFO L226 Difference]: Without dead ends: 5417 [2024-11-22 15:09:48,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:09:48,629 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 [2024-11-22 15:09:48,629 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] [2024-11-22 15:09:48,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5417 states. [2024-11-22 15:09:48,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5417 to 4213. [2024-11-22 15:09:48,762 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) [2024-11-22 15:09:48,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 4213 states and 5975 transitions. [2024-11-22 15:09:48,781 INFO L78 Accepts]: Start accepts. Automaton has 4213 states and 5975 transitions. Word has length 38 [2024-11-22 15:09:48,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:09:48,781 INFO L471 AbstractCegarLoop]: Abstraction has 4213 states and 5975 transitions. [2024-11-22 15:09:48,781 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) [2024-11-22 15:09:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand 4213 states and 5975 transitions. [2024-11-22 15:09:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 15:09:48,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:09:48,783 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] [2024-11-22 15:09:48,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 15:09:48,985 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 [2024-11-22 15:09:48,986 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:09:48,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:09:48,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1400130688, now seen corresponding path program 1 times [2024-11-22 15:09:48,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:09:48,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982184730] [2024-11-22 15:09:48,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:09:48,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:09:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:09:51,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:09:51,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:09:51,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982184730] [2024-11-22 15:09:51,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982184730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:09:51,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500182976] [2024-11-22 15:09:51,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:09:51,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:09:51,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:09:51,116 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) [2024-11-22 15:09:51,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 15:09:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:09:53,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 6734 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 15:09:53,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:09:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 15:09:53,979 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:09:53,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500182976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:09:53,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:09:53,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-22 15:09:53,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37166377] [2024-11-22 15:09:53,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:09:53,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:09:53,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:09:53,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:09:53,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:09:53,981 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) [2024-11-22 15:09:54,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:09:54,134 INFO L93 Difference]: Finished difference Result 8453 states and 11997 transitions. [2024-11-22 15:09:54,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:09:54,135 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 [2024-11-22 15:09:54,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:09:54,161 INFO L225 Difference]: With dead ends: 8453 [2024-11-22 15:09:54,161 INFO L226 Difference]: Without dead ends: 4243 [2024-11-22 15:09:54,174 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 [2024-11-22 15:09:54,175 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 [2024-11-22 15:09:54,175 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] [2024-11-22 15:09:54,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4243 states. [2024-11-22 15:09:54,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4243 to 4243. [2024-11-22 15:09:54,292 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) [2024-11-22 15:09:54,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 6021 transitions. [2024-11-22 15:09:54,316 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 6021 transitions. Word has length 39 [2024-11-22 15:09:54,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:09:54,318 INFO L471 AbstractCegarLoop]: Abstraction has 4243 states and 6021 transitions. [2024-11-22 15:09:54,318 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) [2024-11-22 15:09:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 6021 transitions. [2024-11-22 15:09:54,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 15:09:54,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:09:54,321 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] [2024-11-22 15:09:54,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-22 15:09:54,522 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 [2024-11-22 15:09:54,522 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:09:54,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:09:54,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1892238975, now seen corresponding path program 1 times [2024-11-22 15:09:54,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:09:54,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480165665] [2024-11-22 15:09:54,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:09:54,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:09:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:09:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:09:56,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:09:56,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480165665] [2024-11-22 15:09:56,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480165665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:09:56,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675689038] [2024-11-22 15:09:56,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:09:56,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:09:56,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:09:56,739 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) [2024-11-22 15:09:56,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 15:09:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:09:59,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 6827 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 15:09:59,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:09:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 15:09:59,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:09:59,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675689038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:09:59,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:09:59,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-22 15:09:59,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143595174] [2024-11-22 15:09:59,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:09:59,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:09:59,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:09:59,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:09:59,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:09:59,919 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) [2024-11-22 15:10:04,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:10:04,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:10:04,174 INFO L93 Difference]: Finished difference Result 4245 states and 6022 transitions. [2024-11-22 15:10:04,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:10:04,175 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 [2024-11-22 15:10:04,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:10:04,198 INFO L225 Difference]: With dead ends: 4245 [2024-11-22 15:10:04,199 INFO L226 Difference]: Without dead ends: 4242 [2024-11-22 15:10:04,202 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 [2024-11-22 15:10:04,202 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, 4.2s IncrementalHoareTripleChecker+Time [2024-11-22 15:10:04,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 1167 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-22 15:10:04,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4242 states. [2024-11-22 15:10:04,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4242 to 4242. [2024-11-22 15:10:04,329 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) [2024-11-22 15:10:04,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 4242 states and 6019 transitions. [2024-11-22 15:10:04,347 INFO L78 Accepts]: Start accepts. Automaton has 4242 states and 6019 transitions. Word has length 50 [2024-11-22 15:10:04,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:10:04,347 INFO L471 AbstractCegarLoop]: Abstraction has 4242 states and 6019 transitions. [2024-11-22 15:10:04,348 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) [2024-11-22 15:10:04,348 INFO L276 IsEmpty]: Start isEmpty. Operand 4242 states and 6019 transitions. [2024-11-22 15:10:04,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 15:10:04,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:10:04,351 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] [2024-11-22 15:10:04,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 15:10:04,552 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 [2024-11-22 15:10:04,552 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:10:04,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:10:04,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1469794859, now seen corresponding path program 1 times [2024-11-22 15:10:04,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:10:04,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111296163] [2024-11-22 15:10:04,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:10:04,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:10:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:10:06,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:10:06,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:10:06,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111296163] [2024-11-22 15:10:06,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111296163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:10:06,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371616577] [2024-11-22 15:10:06,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:10:06,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:10:06,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:10:06,595 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) [2024-11-22 15:10:06,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 15:10:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:10:09,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 6829 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 15:10:09,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:10:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 15:10:09,729 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:10:09,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371616577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:10:09,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:10:09,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-22 15:10:09,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413679489] [2024-11-22 15:10:09,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:10:09,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:10:09,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:10:09,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:10:09,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:10:09,731 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) [2024-11-22 15:10:13,811 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 [] [2024-11-22 15:10:13,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:10:13,965 INFO L93 Difference]: Finished difference Result 4244 states and 6020 transitions. [2024-11-22 15:10:13,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:10:13,965 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 [2024-11-22 15:10:13,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:10:13,989 INFO L225 Difference]: With dead ends: 4244 [2024-11-22 15:10:13,989 INFO L226 Difference]: Without dead ends: 4241 [2024-11-22 15:10:13,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:10:13,993 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 [2024-11-22 15:10:13,993 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] [2024-11-22 15:10:13,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4241 states. [2024-11-22 15:10:14,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4241 to 4241. [2024-11-22 15:10:14,120 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) [2024-11-22 15:10:14,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 4241 states and 6017 transitions. [2024-11-22 15:10:14,135 INFO L78 Accepts]: Start accepts. Automaton has 4241 states and 6017 transitions. Word has length 51 [2024-11-22 15:10:14,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:10:14,136 INFO L471 AbstractCegarLoop]: Abstraction has 4241 states and 6017 transitions. [2024-11-22 15:10:14,136 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) [2024-11-22 15:10:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 4241 states and 6017 transitions. [2024-11-22 15:10:14,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 15:10:14,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:10:14,138 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] [2024-11-22 15:10:14,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 15:10:14,338 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 [2024-11-22 15:10:14,338 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:10:14,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:10:14,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1681333820, now seen corresponding path program 1 times [2024-11-22 15:10:14,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:10:14,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045767271] [2024-11-22 15:10:14,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:10:14,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:10:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:10:16,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:10:16,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:10:16,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045767271] [2024-11-22 15:10:16,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045767271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:10:16,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900423835] [2024-11-22 15:10:16,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:10:16,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:10:16,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:10:16,455 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) [2024-11-22 15:10:16,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 15:10:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:10:19,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 6831 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 15:10:19,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:10:19,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 15:10:19,942 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:10:19,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900423835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:10:19,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:10:19,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-22 15:10:19,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87245274] [2024-11-22 15:10:19,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:10:19,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:10:19,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:10:19,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:10:19,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:10:19,944 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) [2024-11-22 15:10:24,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:10:24,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:10:24,210 INFO L93 Difference]: Finished difference Result 4243 states and 6018 transitions. [2024-11-22 15:10:24,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:10:24,212 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 [2024-11-22 15:10:24,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:10:24,231 INFO L225 Difference]: With dead ends: 4243 [2024-11-22 15:10:24,231 INFO L226 Difference]: Without dead ends: 4240 [2024-11-22 15:10:24,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:10:24,235 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, 4.2s IncrementalHoareTripleChecker+Time [2024-11-22 15:10:24,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 1163 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-22 15:10:24,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4240 states. [2024-11-22 15:10:24,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4240 to 4240. [2024-11-22 15:10:24,373 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) [2024-11-22 15:10:24,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 4240 states and 6015 transitions. [2024-11-22 15:10:24,391 INFO L78 Accepts]: Start accepts. Automaton has 4240 states and 6015 transitions. Word has length 52 [2024-11-22 15:10:24,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:10:24,392 INFO L471 AbstractCegarLoop]: Abstraction has 4240 states and 6015 transitions. [2024-11-22 15:10:24,392 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) [2024-11-22 15:10:24,392 INFO L276 IsEmpty]: Start isEmpty. Operand 4240 states and 6015 transitions. [2024-11-22 15:10:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-22 15:10:24,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:10:24,394 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] [2024-11-22 15:10:24,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 15:10:24,595 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 [2024-11-22 15:10:24,596 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:10:24,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:10:24,596 INFO L85 PathProgramCache]: Analyzing trace with hash -582070194, now seen corresponding path program 1 times [2024-11-22 15:10:24,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:10:24,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496348918] [2024-11-22 15:10:24,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:10:24,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:10:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:10:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:10:26,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:10:26,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496348918] [2024-11-22 15:10:26,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496348918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:10:26,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163219353] [2024-11-22 15:10:26,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:10:26,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:10:26,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:10:26,703 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) [2024-11-22 15:10:26,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 15:10:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:10:29,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 6833 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 15:10:29,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:10:30,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 15:10:30,081 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:10:30,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163219353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:10:30,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:10:30,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-22 15:10:30,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993891166] [2024-11-22 15:10:30,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:10:30,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:10:30,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:10:30,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:10:30,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:10:30,083 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) [2024-11-22 15:10:34,178 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 [] [2024-11-22 15:10:34,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:10:34,397 INFO L93 Difference]: Finished difference Result 4242 states and 6016 transitions. [2024-11-22 15:10:34,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:10:34,399 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 [2024-11-22 15:10:34,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:10:34,416 INFO L225 Difference]: With dead ends: 4242 [2024-11-22 15:10:34,416 INFO L226 Difference]: Without dead ends: 4210 [2024-11-22 15:10:34,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:10:34,418 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, 4.2s IncrementalHoareTripleChecker+Time [2024-11-22 15:10:34,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1082 Valid, 1183 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-22 15:10:34,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4210 states. [2024-11-22 15:10:34,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4210 to 4210. [2024-11-22 15:10:34,555 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) [2024-11-22 15:10:34,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4210 states to 4210 states and 5973 transitions. [2024-11-22 15:10:34,571 INFO L78 Accepts]: Start accepts. Automaton has 4210 states and 5973 transitions. Word has length 53 [2024-11-22 15:10:34,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:10:34,572 INFO L471 AbstractCegarLoop]: Abstraction has 4210 states and 5973 transitions. [2024-11-22 15:10:34,572 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) [2024-11-22 15:10:34,573 INFO L276 IsEmpty]: Start isEmpty. Operand 4210 states and 5973 transitions. [2024-11-22 15:10:34,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 15:10:34,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:10:34,577 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] [2024-11-22 15:10:34,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 15:10:34,777 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 [2024-11-22 15:10:34,778 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:10:34,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:10:34,779 INFO L85 PathProgramCache]: Analyzing trace with hash 817889658, now seen corresponding path program 1 times [2024-11-22 15:10:34,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:10:34,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194690660] [2024-11-22 15:10:34,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:10:34,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:10:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:10:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:10:36,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:10:36,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194690660] [2024-11-22 15:10:36,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194690660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:10:36,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368184972] [2024-11-22 15:10:36,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:10:36,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:10:36,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:10:36,883 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) [2024-11-22 15:10:36,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process