./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--pf.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.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 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 04:08:10,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:08:10,816 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 04:08:10,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:08:10,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:08:10,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:08:10,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:08:10,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:08:10,846 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 04:08:10,848 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 04:08:10,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:08:10,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:08:10,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 04:08:10,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 04:08:10,849 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 04:08:10,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:08:10,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:08:10,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:08:10,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:08:10,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:08:10,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:08:10,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:08:10,853 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:08:10,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:08:10,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:08:10,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:08:10,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:08:10,854 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:08:10,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:08:10,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:08:10,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:08:10,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:08:10,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:08:10,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 04:08:10,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:08:10,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:08:10,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 04:08:10,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 04:08:10,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:08:10,855 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 [2024-11-09 04:08:11,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:08:11,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:08:11,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:08:11,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:08:11,086 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:08:11,086 INFO L431 ainManager$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--pf.ko-main.cil.out.i [2024-11-09 04:08:12,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:08:12,681 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:08:12,682 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2024-11-09 04:08:12,757 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570693232/bc7dcc21a8d64c8f81863b30b0e37494/FLAG6a014fe9f [2024-11-09 04:08:12,811 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570693232/bc7dcc21a8d64c8f81863b30b0e37494 [2024-11-09 04:08:12,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:08:12,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:08:12,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:08:12,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:08:12,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:08:12,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:08:12" (1/1) ... [2024-11-09 04:08:12,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118b5604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:12, skipping insertion in model container [2024-11-09 04:08:12,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:08:12" (1/1) ... [2024-11-09 04:08:12,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:08:13,605 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--pf.ko-main.cil.out.i[138616,138629] [2024-11-09 04:08:13,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:08:13,719 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:08:13,899 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--pf.ko-main.cil.out.i[138616,138629] [2024-11-09 04:08:13,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:08:13,955 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:08:13,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13 WrapperNode [2024-11-09 04:08:13,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:08:13,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:08:13,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:08:13,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:08:13,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13" (1/1) ... [2024-11-09 04:08:14,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13" (1/1) ... [2024-11-09 04:08:14,074 INFO L138 Inliner]: procedures = 161, calls = 1531, calls flagged for inlining = 53, calls inlined = 28, statements flattened = 1863 [2024-11-09 04:08:14,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:08:14,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:08:14,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:08:14,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:08:14,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13" (1/1) ... [2024-11-09 04:08:14,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13" (1/1) ... [2024-11-09 04:08:14,103 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13" (1/1) ... [2024-11-09 04:08:14,184 INFO L175 MemorySlicer]: Split 1089 memory accesses to 22 slices as follows [2, 2, 24, 5, 522, 72, 3, 6, 5, 37, 18, 6, 8, 10, 11, 10, 3, 3, 13, 325, 1, 3]. 48 percent of accesses are in the largest equivalence class. The 793 initializations are split as follows [2, 0, 0, 5, 512, 0, 3, 0, 5, 28, 18, 0, 4, 10, 11, 10, 0, 0, 13, 172, 0, 0]. The 195 writes are split as follows [0, 2, 24, 0, 0, 72, 0, 5, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 84, 0, 2]. [2024-11-09 04:08:14,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13" (1/1) ... [2024-11-09 04:08:14,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13" (1/1) ... [2024-11-09 04:08:14,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13" (1/1) ... [2024-11-09 04:08:14,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13" (1/1) ... [2024-11-09 04:08:14,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13" (1/1) ... [2024-11-09 04:08:14,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13" (1/1) ... [2024-11-09 04:08:14,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:08:14,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:08:14,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:08:14,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:08:14,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13" (1/1) ... [2024-11-09 04:08:14,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:08:14,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:08:14,399 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) [2024-11-09 04:08:14,403 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 [2024-11-09 04:08:14,438 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-09 04:08:14,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-09 04:08:14,438 INFO L130 BoogieDeclarations]: Found specification of procedure pf_getgeo [2024-11-09 04:08:14,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_getgeo [2024-11-09 04:08:14,438 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-09 04:08:14,438 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-09 04:08:14,438 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-09 04:08:14,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-09 04:08:14,439 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-09 04:08:14,439 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-09 04:08:14,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 04:08:14,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 04:08:14,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 04:08:14,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 04:08:14,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 04:08:14,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 04:08:14,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 04:08:14,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 04:08:14,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pf_mutex [2024-11-09 04:08:14,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pf_mutex [2024-11-09 04:08:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure pf_reset [2024-11-09 04:08:14,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_reset [2024-11-09 04:08:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 04:08:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 04:08:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 04:08:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 04:08:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 04:08:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 04:08:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 04:08:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 04:08:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-09 04:08:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-09 04:08:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-09 04:08:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-09 04:08:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-09 04:08:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-09 04:08:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-09 04:08:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-09 04:08:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-09 04:08:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-09 04:08:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-09 04:08:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-09 04:08:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-09 04:08:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-09 04:08:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-09 04:08:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-09 04:08:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-09 04:08:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-09 04:08:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-09 04:08:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-09 04:08:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-09 04:08:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2024-11-09 04:08:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2024-11-09 04:08:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure pf_wait [2024-11-09 04:08:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_wait [2024-11-09 04:08:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-09 04:08:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-09 04:08:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 04:08:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 04:08:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pf_mutex [2024-11-09 04:08:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pf_mutex [2024-11-09 04:08:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure pf_check_events [2024-11-09 04:08:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_check_events [2024-11-09 04:08:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-11-09 04:08:14,446 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-11-09 04:08:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 04:08:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 04:08:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 04:08:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 04:08:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 04:08:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 04:08:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 04:08:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 04:08:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-09 04:08:14,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-09 04:08:14,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-09 04:08:14,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-09 04:08:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-09 04:08:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-09 04:08:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-09 04:08:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-09 04:08:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-09 04:08:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-09 04:08:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-09 04:08:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-09 04:08:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-09 04:08:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-09 04:08:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 04:08:14,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 04:08:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 04:08:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 04:08:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2024-11-09 04:08:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2024-11-09 04:08:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure pf_req_sense [2024-11-09 04:08:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_req_sense [2024-11-09 04:08:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure pf_completion [2024-11-09 04:08:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_completion [2024-11-09 04:08:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:08:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 04:08:14,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 04:08:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:08:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 04:08:14,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 04:08:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:08:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 04:08:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 04:08:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 04:08:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 04:08:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 04:08:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 04:08:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure pf_atapi [2024-11-09 04:08:14,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_atapi [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure pf_command [2024-11-09 04:08:14,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_command [2024-11-09 04:08:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure pf_probe [2024-11-09 04:08:14,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_probe [2024-11-09 04:08:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 04:08:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 04:08:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 04:08:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 04:08:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 04:08:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 04:08:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 04:08:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 04:08:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-09 04:08:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-09 04:08:14,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-09 04:08:14,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-09 04:08:14,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-09 04:08:14,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-09 04:08:14,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-09 04:08:14,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-09 04:08:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-09 04:08:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-09 04:08:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-09 04:08:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-09 04:08:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-09 04:08:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-09 04:08:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure pf_identify [2024-11-09 04:08:14,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_identify [2024-11-09 04:08:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure pf_sleep [2024-11-09 04:08:14,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_sleep [2024-11-09 04:08:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure pf_mode_sense [2024-11-09 04:08:14,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_mode_sense [2024-11-09 04:08:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-11-09 04:08:14,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-11-09 04:08:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:08:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 04:08:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 04:08:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 04:08:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 04:08:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 04:08:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-09 04:08:14,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-09 04:08:14,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-09 04:08:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 04:08:14,458 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 04:08:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-09 04:08:14,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-09 04:08:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-09 04:08:14,459 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-09 04:08:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2024-11-09 04:08:14,459 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2024-11-09 04:08:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure pf_lock [2024-11-09 04:08:14,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_lock [2024-11-09 04:08:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 04:08:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 04:08:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 04:08:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 04:08:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-09 04:08:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-09 04:08:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-09 04:08:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-09 04:08:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-09 04:08:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure xl [2024-11-09 04:08:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure xl [2024-11-09 04:08:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:08:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:08:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-11-09 04:08:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-11-09 04:08:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ioctl [2024-11-09 04:08:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ioctl [2024-11-09 04:08:14,820 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:08:14,822 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:08:21,412 INFO L? ?]: Removed 415 outVars from TransFormulas that were not future-live. [2024-11-09 04:08:21,412 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:08:21,438 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:08:21,440 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 04:08:21,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:08:21 BoogieIcfgContainer [2024-11-09 04:08:21,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:08:21,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:08:21,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:08:21,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:08:21,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:08:12" (1/3) ... [2024-11-09 04:08:21,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d778e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:08:21, skipping insertion in model container [2024-11-09 04:08:21,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:08:13" (2/3) ... [2024-11-09 04:08:21,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d778e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:08:21, skipping insertion in model container [2024-11-09 04:08:21,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:08:21" (3/3) ... [2024-11-09 04:08:21,450 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2024-11-09 04:08:21,463 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:08:21,463 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:08:21,523 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:08:21,530 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;@3e9e4a29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:08:21,532 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:08:21,543 INFO L276 IsEmpty]: Start isEmpty. Operand has 581 states, 415 states have (on average 1.3493975903614457) internal successors, (560), 429 states have internal predecessors, (560), 128 states have call successors, (128), 38 states have call predecessors, (128), 38 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-09 04:08:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 04:08:21,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:08:21,567 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:08:21,568 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:08:21,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:08:21,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1454029286, now seen corresponding path program 1 times [2024-11-09 04:08:21,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:08:21,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192577735] [2024-11-09 04:08:21,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:21,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:08:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:08:22,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:08:22,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192577735] [2024-11-09 04:08:22,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192577735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:08:22,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:08:22,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:08:22,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298394627] [2024-11-09 04:08:22,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:08:22,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:08:22,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:08:22,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:08:22,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:08:22,879 INFO L87 Difference]: Start difference. First operand has 581 states, 415 states have (on average 1.3493975903614457) internal successors, (560), 429 states have internal predecessors, (560), 128 states have call successors, (128), 38 states have call predecessors, (128), 38 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) 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) [2024-11-09 04:08:23,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:08:23,138 INFO L93 Difference]: Finished difference Result 1610 states and 2315 transitions. [2024-11-09 04:08:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:08:23,140 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 [2024-11-09 04:08:23,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:08:23,158 INFO L225 Difference]: With dead ends: 1610 [2024-11-09 04:08:23,158 INFO L226 Difference]: Without dead ends: 1024 [2024-11-09 04:08:23,167 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 [2024-11-09 04:08:23,171 INFO L432 NwaCegarLoop]: 1160 mSDtfsCounter, 628 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1924 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:08:23,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 1924 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:08:23,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2024-11-09 04:08:23,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1010. [2024-11-09 04:08:23,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 724 states have (on average 1.3370165745856353) internal successors, (968), 737 states have internal predecessors, (968), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (213), 213 states have call predecessors, (213), 213 states have call successors, (213) [2024-11-09 04:08:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1400 transitions. [2024-11-09 04:08:23,270 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1400 transitions. Word has length 16 [2024-11-09 04:08:23,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:08:23,270 INFO L471 AbstractCegarLoop]: Abstraction has 1010 states and 1400 transitions. [2024-11-09 04:08:23,271 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) [2024-11-09 04:08:23,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1400 transitions. [2024-11-09 04:08:23,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 04:08:23,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:08:23,272 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:08:23,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:08:23,272 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:08:23,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:08:23,273 INFO L85 PathProgramCache]: Analyzing trace with hash 983832029, now seen corresponding path program 1 times [2024-11-09 04:08:23,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:08:23,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960122778] [2024-11-09 04:08:23,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:23,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:08:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:08:24,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:08:24,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960122778] [2024-11-09 04:08:24,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960122778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:08:24,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:08:24,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:08:24,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35472944] [2024-11-09 04:08:24,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:08:24,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:08:24,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:08:24,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:08:24,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:08:24,158 INFO L87 Difference]: Start difference. First operand 1010 states and 1400 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) [2024-11-09 04:08:24,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:08:24,203 INFO L93 Difference]: Finished difference Result 2017 states and 2797 transitions. [2024-11-09 04:08:24,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:08:24,204 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 [2024-11-09 04:08:24,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:08:24,211 INFO L225 Difference]: With dead ends: 2017 [2024-11-09 04:08:24,211 INFO L226 Difference]: Without dead ends: 1010 [2024-11-09 04:08:24,215 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 [2024-11-09 04:08:24,216 INFO L432 NwaCegarLoop]: 788 mSDtfsCounter, 779 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 788 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 [2024-11-09 04:08:24,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 788 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:08:24,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-11-09 04:08:24,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 1010. [2024-11-09 04:08:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 724 states have (on average 1.3342541436464088) internal successors, (966), 737 states have internal predecessors, (966), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (213), 213 states have call predecessors, (213), 213 states have call successors, (213) [2024-11-09 04:08:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1398 transitions. [2024-11-09 04:08:24,260 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1398 transitions. Word has length 18 [2024-11-09 04:08:24,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:08:24,261 INFO L471 AbstractCegarLoop]: Abstraction has 1010 states and 1398 transitions. [2024-11-09 04:08:24,261 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) [2024-11-09 04:08:24,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1398 transitions. [2024-11-09 04:08:24,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 04:08:24,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:08:24,263 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] [2024-11-09 04:08:24,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:08:24,263 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:08:24,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:08:24,267 INFO L85 PathProgramCache]: Analyzing trace with hash -909447033, now seen corresponding path program 1 times [2024-11-09 04:08:24,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:08:24,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305749396] [2024-11-09 04:08:24,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:24,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:08:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:25,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 04:08:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:25,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:08:25,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:08:25,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305749396] [2024-11-09 04:08:25,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305749396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:08:25,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:08:25,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:08:25,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026806874] [2024-11-09 04:08:25,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:08:25,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:08:25,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:08:25,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:08:25,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:08:25,180 INFO L87 Difference]: Start difference. First operand 1010 states and 1398 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-09 04:08:29,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:08:29,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:08:29,361 INFO L93 Difference]: Finished difference Result 2423 states and 3344 transitions. [2024-11-09 04:08:29,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:08:29,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 22 [2024-11-09 04:08:29,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:08:29,371 INFO L225 Difference]: With dead ends: 2423 [2024-11-09 04:08:29,371 INFO L226 Difference]: Without dead ends: 1416 [2024-11-09 04:08:29,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:08:29,379 INFO L432 NwaCegarLoop]: 1276 mSDtfsCounter, 745 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:08:29,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 1823 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-09 04:08:29,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2024-11-09 04:08:29,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1392. [2024-11-09 04:08:29,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 993 states have (on average 1.3333333333333333) internal successors, (1324), 1010 states have internal predecessors, (1324), 300 states have call successors, (300), 99 states have call predecessors, (300), 98 states have return successors, (294), 294 states have call predecessors, (294), 294 states have call successors, (294) [2024-11-09 04:08:29,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1918 transitions. [2024-11-09 04:08:29,486 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1918 transitions. Word has length 22 [2024-11-09 04:08:29,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:08:29,486 INFO L471 AbstractCegarLoop]: Abstraction has 1392 states and 1918 transitions. [2024-11-09 04:08:29,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-09 04:08:29,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1918 transitions. [2024-11-09 04:08:29,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 04:08:29,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:08:29,488 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] [2024-11-09 04:08:29,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:08:29,489 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:08:29,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:08:29,490 INFO L85 PathProgramCache]: Analyzing trace with hash -428234540, now seen corresponding path program 1 times [2024-11-09 04:08:29,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:08:29,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602451565] [2024-11-09 04:08:29,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:29,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:08:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:30,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 04:08:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:30,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:08:30,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:08:30,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602451565] [2024-11-09 04:08:30,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602451565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:08:30,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:08:30,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:08:30,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439307143] [2024-11-09 04:08:30,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:08:30,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:08:30,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:08:30,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:08:30,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:08:30,362 INFO L87 Difference]: Start difference. First operand 1392 states and 1918 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) [2024-11-09 04:08:30,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:08:30,466 INFO L93 Difference]: Finished difference Result 2799 states and 3861 transitions. [2024-11-09 04:08:30,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:08:30,467 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 [2024-11-09 04:08:30,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:08:30,473 INFO L225 Difference]: With dead ends: 2799 [2024-11-09 04:08:30,473 INFO L226 Difference]: Without dead ends: 1410 [2024-11-09 04:08:30,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:08:30,479 INFO L432 NwaCegarLoop]: 784 mSDtfsCounter, 12 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:08:30,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1565 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:08:30,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2024-11-09 04:08:30,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1394. [2024-11-09 04:08:30,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 995 states have (on average 1.3326633165829145) internal successors, (1326), 1012 states have internal predecessors, (1326), 300 states have call successors, (300), 99 states have call predecessors, (300), 98 states have return successors, (294), 294 states have call predecessors, (294), 294 states have call successors, (294) [2024-11-09 04:08:30,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1920 transitions. [2024-11-09 04:08:30,526 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1920 transitions. Word has length 30 [2024-11-09 04:08:30,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:08:30,527 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 1920 transitions. [2024-11-09 04:08:30,527 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) [2024-11-09 04:08:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1920 transitions. [2024-11-09 04:08:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 04:08:30,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:08:30,530 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] [2024-11-09 04:08:30,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 04:08:30,531 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:08:30,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:08:30,531 INFO L85 PathProgramCache]: Analyzing trace with hash -2061059013, now seen corresponding path program 1 times [2024-11-09 04:08:30,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:08:30,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177848623] [2024-11-09 04:08:30,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:30,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:08:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:31,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 04:08:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:08:31,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:08:31,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177848623] [2024-11-09 04:08:31,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177848623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:08:31,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30652999] [2024-11-09 04:08:31,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:31,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:08:31,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:08:31,472 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) [2024-11-09 04:08:31,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:08:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:32,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 2939 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:08:32,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:08:32,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:08:32,690 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:08:32,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30652999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:08:32,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:08:32,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-09 04:08:32,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678153798] [2024-11-09 04:08:32,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:08:32,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:08:32,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:08:32,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:08:32,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:08:32,691 INFO L87 Difference]: Start difference. First operand 1394 states and 1920 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) [2024-11-09 04:08:32,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:08:32,787 INFO L93 Difference]: Finished difference Result 2823 states and 3897 transitions. [2024-11-09 04:08:32,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:08:32,788 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 [2024-11-09 04:08:32,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:08:32,796 INFO L225 Difference]: With dead ends: 2823 [2024-11-09 04:08:32,796 INFO L226 Difference]: Without dead ends: 1432 [2024-11-09 04:08:32,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:08:32,809 INFO L432 NwaCegarLoop]: 799 mSDtfsCounter, 16 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:08:32,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1580 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:08:32,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-11-09 04:08:32,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1398. [2024-11-09 04:08:32,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1398 states, 999 states have (on average 1.3313313313313313) internal successors, (1330), 1016 states have internal predecessors, (1330), 300 states have call successors, (300), 99 states have call predecessors, (300), 98 states have return successors, (294), 294 states have call predecessors, (294), 294 states have call successors, (294) [2024-11-09 04:08:32,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1924 transitions. [2024-11-09 04:08:32,864 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1924 transitions. Word has length 34 [2024-11-09 04:08:32,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:08:32,864 INFO L471 AbstractCegarLoop]: Abstraction has 1398 states and 1924 transitions. [2024-11-09 04:08:32,864 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) [2024-11-09 04:08:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1924 transitions. [2024-11-09 04:08:32,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 04:08:32,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:08:32,865 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] [2024-11-09 04:08:32,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 04:08:33,066 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 [2024-11-09 04:08:33,066 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:08:33,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:08:33,067 INFO L85 PathProgramCache]: Analyzing trace with hash -394368894, now seen corresponding path program 1 times [2024-11-09 04:08:33,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:08:33,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753691414] [2024-11-09 04:08:33,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:33,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:08:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:33,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 04:08:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:33,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:08:33,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:08:33,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753691414] [2024-11-09 04:08:33,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753691414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:08:33,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320929117] [2024-11-09 04:08:33,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:33,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:08:33,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:08:33,936 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) [2024-11-09 04:08:33,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 04:08:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:35,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 2958 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:08:35,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:08:35,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 04:08:35,162 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:08:35,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320929117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:08:35,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:08:35,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-09 04:08:35,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838189812] [2024-11-09 04:08:35,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:08:35,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:08:35,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:08:35,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:08:35,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:08:35,164 INFO L87 Difference]: Start difference. First operand 1398 states and 1924 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) [2024-11-09 04:08:35,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:08:35,293 INFO L93 Difference]: Finished difference Result 4136 states and 5684 transitions. [2024-11-09 04:08:35,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:08:35,294 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 [2024-11-09 04:08:35,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:08:35,312 INFO L225 Difference]: With dead ends: 4136 [2024-11-09 04:08:35,312 INFO L226 Difference]: Without dead ends: 2741 [2024-11-09 04:08:35,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:08:35,320 INFO L432 NwaCegarLoop]: 789 mSDtfsCounter, 750 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 1556 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 [2024-11-09 04:08:35,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 1556 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:08:35,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2024-11-09 04:08:35,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2258. [2024-11-09 04:08:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2258 states, 1608 states have (on average 1.3264925373134329) internal successors, (2133), 1634 states have internal predecessors, (2133), 488 states have call successors, (488), 162 states have call predecessors, (488), 161 states have return successors, (482), 481 states have call predecessors, (482), 482 states have call successors, (482) [2024-11-09 04:08:35,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 2258 states and 3103 transitions. [2024-11-09 04:08:35,405 INFO L78 Accepts]: Start accepts. Automaton has 2258 states and 3103 transitions. Word has length 38 [2024-11-09 04:08:35,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:08:35,406 INFO L471 AbstractCegarLoop]: Abstraction has 2258 states and 3103 transitions. [2024-11-09 04:08:35,406 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) [2024-11-09 04:08:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 3103 transitions. [2024-11-09 04:08:35,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 04:08:35,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:08:35,408 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] [2024-11-09 04:08:35,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 04:08:35,608 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 [2024-11-09 04:08:35,609 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:08:35,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:08:35,609 INFO L85 PathProgramCache]: Analyzing trace with hash 789422399, now seen corresponding path program 1 times [2024-11-09 04:08:35,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:08:35,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669848059] [2024-11-09 04:08:35,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:35,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:08:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:36,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 04:08:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:36,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 04:08:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:36,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:08:36,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:08:36,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669848059] [2024-11-09 04:08:36,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669848059] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:08:36,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793194141] [2024-11-09 04:08:36,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:36,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:08:36,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:08:36,483 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) [2024-11-09 04:08:36,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 04:08:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:37,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 3010 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:08:37,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:08:37,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:08:37,757 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:08:37,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793194141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:08:37,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:08:37,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-09 04:08:37,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15126776] [2024-11-09 04:08:37,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:08:37,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:08:37,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:08:37,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:08:37,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:08:37,758 INFO L87 Difference]: Start difference. First operand 2258 states and 3103 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) [2024-11-09 04:08:37,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:08:37,834 INFO L93 Difference]: Finished difference Result 4547 states and 6259 transitions. [2024-11-09 04:08:37,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:08:37,835 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 [2024-11-09 04:08:37,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:08:37,847 INFO L225 Difference]: With dead ends: 4547 [2024-11-09 04:08:37,847 INFO L226 Difference]: Without dead ends: 2292 [2024-11-09 04:08:37,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:08:37,859 INFO L432 NwaCegarLoop]: 786 mSDtfsCounter, 22 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1555 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 [2024-11-09 04:08:37,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 1555 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:08:37,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2292 states. [2024-11-09 04:08:37,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2292 to 2292. [2024-11-09 04:08:37,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 1634 states have (on average 1.3274173806609546) internal successors, (2169), 1660 states have internal predecessors, (2169), 496 states have call successors, (496), 162 states have call predecessors, (496), 161 states have return successors, (490), 489 states have call predecessors, (490), 490 states have call successors, (490) [2024-11-09 04:08:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 3155 transitions. [2024-11-09 04:08:37,929 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 3155 transitions. Word has length 39 [2024-11-09 04:08:37,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:08:37,929 INFO L471 AbstractCegarLoop]: Abstraction has 2292 states and 3155 transitions. [2024-11-09 04:08:37,929 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) [2024-11-09 04:08:37,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 3155 transitions. [2024-11-09 04:08:37,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 04:08:37,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:08:37,931 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] [2024-11-09 04:08:37,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 04:08:38,132 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 [2024-11-09 04:08:38,133 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:08:38,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:08:38,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1466215333, now seen corresponding path program 1 times [2024-11-09 04:08:38,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:08:38,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402699457] [2024-11-09 04:08:38,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:38,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:08:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:38,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 04:08:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:38,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 04:08:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:39,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 04:08:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:39,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:08:39,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:08:39,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402699457] [2024-11-09 04:08:39,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402699457] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:08:39,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098396105] [2024-11-09 04:08:39,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:39,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:08:39,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:08:39,133 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) [2024-11-09 04:08:39,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 04:08:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:40,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 3101 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:08:40,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:08:40,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:08:40,366 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:08:40,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098396105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:08:40,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:08:40,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-09 04:08:40,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854324755] [2024-11-09 04:08:40,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:08:40,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:08:40,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:08:40,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:08:40,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:08:40,367 INFO L87 Difference]: Start difference. First operand 2292 states and 3155 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) [2024-11-09 04:08:40,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:08:40,497 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2024-11-09 04:08:40,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:08:40,498 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 [2024-11-09 04:08:40,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:08:40,511 INFO L225 Difference]: With dead ends: 2314 [2024-11-09 04:08:40,512 INFO L226 Difference]: Without dead ends: 2303 [2024-11-09 04:08:40,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:08:40,513 INFO L432 NwaCegarLoop]: 801 mSDtfsCounter, 784 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 814 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 [2024-11-09 04:08:40,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 814 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:08:40,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2303 states. [2024-11-09 04:08:40,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2303 to 2292. [2024-11-09 04:08:40,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 1634 states have (on average 1.3268053855569155) internal successors, (2168), 1660 states have internal predecessors, (2168), 496 states have call successors, (496), 162 states have call predecessors, (496), 161 states have return successors, (490), 489 states have call predecessors, (490), 490 states have call successors, (490) [2024-11-09 04:08:40,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 3154 transitions. [2024-11-09 04:08:40,588 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 3154 transitions. Word has length 50 [2024-11-09 04:08:40,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:08:40,588 INFO L471 AbstractCegarLoop]: Abstraction has 2292 states and 3154 transitions. [2024-11-09 04:08:40,588 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) [2024-11-09 04:08:40,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 3154 transitions. [2024-11-09 04:08:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 04:08:40,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:08:40,590 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] [2024-11-09 04:08:40,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 04:08:40,790 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 [2024-11-09 04:08:40,791 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:08:40,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:08:40,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1523473635, now seen corresponding path program 1 times [2024-11-09 04:08:40,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:08:40,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029392921] [2024-11-09 04:08:40,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:40,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:08:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:41,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 04:08:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:41,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 04:08:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:41,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 04:08:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:08:41,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:08:41,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029392921] [2024-11-09 04:08:41,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029392921] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:08:41,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739755475] [2024-11-09 04:08:41,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:41,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:08:41,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:08:41,745 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) [2024-11-09 04:08:41,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 04:08:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:42,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 3096 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:08:42,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:08:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:08:43,075 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:08:43,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739755475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:08:43,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:08:43,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-09 04:08:43,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643733682] [2024-11-09 04:08:43,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:08:43,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:08:43,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:08:43,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:08:43,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:08:43,076 INFO L87 Difference]: Start difference. First operand 2292 states and 3154 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) [2024-11-09 04:08:47,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:08:47,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:08:47,181 INFO L93 Difference]: Finished difference Result 2294 states and 3155 transitions. [2024-11-09 04:08:47,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:08:47,181 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 [2024-11-09 04:08:47,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:08:47,192 INFO L225 Difference]: With dead ends: 2294 [2024-11-09 04:08:47,192 INFO L226 Difference]: Without dead ends: 2291 [2024-11-09 04:08:47,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:08:47,194 INFO L432 NwaCegarLoop]: 786 mSDtfsCounter, 740 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:08:47,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 786 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-09 04:08:47,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2024-11-09 04:08:47,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2291. [2024-11-09 04:08:47,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2291 states, 1634 states have (on average 1.3261933904528764) internal successors, (2167), 1659 states have internal predecessors, (2167), 495 states have call successors, (495), 162 states have call predecessors, (495), 161 states have return successors, (490), 489 states have call predecessors, (490), 490 states have call successors, (490) [2024-11-09 04:08:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 2291 states and 3152 transitions. [2024-11-09 04:08:47,274 INFO L78 Accepts]: Start accepts. Automaton has 2291 states and 3152 transitions. Word has length 50 [2024-11-09 04:08:47,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:08:47,277 INFO L471 AbstractCegarLoop]: Abstraction has 2291 states and 3152 transitions. [2024-11-09 04:08:47,277 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) [2024-11-09 04:08:47,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 3152 transitions. [2024-11-09 04:08:47,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 04:08:47,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:08:47,278 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] [2024-11-09 04:08:47,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 04:08:47,478 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 [2024-11-09 04:08:47,479 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:08:47,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:08:47,480 INFO L85 PathProgramCache]: Analyzing trace with hash -17244853, now seen corresponding path program 1 times [2024-11-09 04:08:47,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:08:47,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938656953] [2024-11-09 04:08:47,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:47,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:08:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:48,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 04:08:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:48,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 04:08:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:48,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 04:08:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:48,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:08:48,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:08:48,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938656953] [2024-11-09 04:08:48,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938656953] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:08:48,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717478942] [2024-11-09 04:08:48,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:48,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:08:48,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:08:48,430 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) [2024-11-09 04:08:48,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 04:08:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:49,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 3098 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:08:49,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:08:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:08:49,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:08:49,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717478942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:08:49,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:08:49,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-09 04:08:49,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761376887] [2024-11-09 04:08:49,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:08:49,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:08:49,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:08:49,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:08:49,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:08:49,808 INFO L87 Difference]: Start difference. First operand 2291 states and 3152 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) [2024-11-09 04:08:53,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:08:53,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:08:53,938 INFO L93 Difference]: Finished difference Result 2293 states and 3153 transitions. [2024-11-09 04:08:53,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:08:53,939 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 [2024-11-09 04:08:53,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:08:53,952 INFO L225 Difference]: With dead ends: 2293 [2024-11-09 04:08:53,952 INFO L226 Difference]: Without dead ends: 2290 [2024-11-09 04:08:53,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:08:53,954 INFO L432 NwaCegarLoop]: 784 mSDtfsCounter, 737 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:08:53,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 784 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-09 04:08:53,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2024-11-09 04:08:54,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 2290. [2024-11-09 04:08:54,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2290 states, 1634 states have (on average 1.3255813953488371) internal successors, (2166), 1658 states have internal predecessors, (2166), 494 states have call successors, (494), 162 states have call predecessors, (494), 161 states have return successors, (490), 489 states have call predecessors, (490), 490 states have call successors, (490) [2024-11-09 04:08:54,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 2290 states and 3150 transitions. [2024-11-09 04:08:54,044 INFO L78 Accepts]: Start accepts. Automaton has 2290 states and 3150 transitions. Word has length 51 [2024-11-09 04:08:54,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:08:54,045 INFO L471 AbstractCegarLoop]: Abstraction has 2290 states and 3150 transitions. [2024-11-09 04:08:54,045 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) [2024-11-09 04:08:54,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 3150 transitions. [2024-11-09 04:08:54,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 04:08:54,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:08:54,046 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] [2024-11-09 04:08:54,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 04:08:54,247 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 [2024-11-09 04:08:54,247 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:08:54,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:08:54,247 INFO L85 PathProgramCache]: Analyzing trace with hash -534872858, now seen corresponding path program 1 times [2024-11-09 04:08:54,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:08:54,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668310633] [2024-11-09 04:08:54,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:54,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:08:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:55,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 04:08:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:55,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 04:08:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:55,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 04:08:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:55,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:08:55,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:08:55,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668310633] [2024-11-09 04:08:55,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668310633] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:08:55,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479692996] [2024-11-09 04:08:55,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:08:55,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:08:55,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:08:55,253 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) [2024-11-09 04:08:55,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 04:08:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:08:56,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 3100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:08:56,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:08:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:08:56,651 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:08:56,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479692996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:08:56,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:08:56,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-09 04:08:56,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191674412] [2024-11-09 04:08:56,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:08:56,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:08:56,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:08:56,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:08:56,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:08:56,652 INFO L87 Difference]: Start difference. First operand 2290 states and 3150 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) [2024-11-09 04:09:00,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:09:00,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:09:00,803 INFO L93 Difference]: Finished difference Result 2292 states and 3151 transitions. [2024-11-09 04:09:00,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:09:00,804 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 [2024-11-09 04:09:00,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:09:00,814 INFO L225 Difference]: With dead ends: 2292 [2024-11-09 04:09:00,814 INFO L226 Difference]: Without dead ends: 2289 [2024-11-09 04:09:00,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:09:00,816 INFO L432 NwaCegarLoop]: 782 mSDtfsCounter, 734 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:09:00,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 782 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-09 04:09:00,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2024-11-09 04:09:00,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 2289. [2024-11-09 04:09:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2289 states, 1634 states have (on average 1.324969400244798) internal successors, (2165), 1657 states have internal predecessors, (2165), 493 states have call successors, (493), 162 states have call predecessors, (493), 161 states have return successors, (490), 489 states have call predecessors, (490), 490 states have call successors, (490) [2024-11-09 04:09:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 3148 transitions. [2024-11-09 04:09:00,904 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 3148 transitions. Word has length 52 [2024-11-09 04:09:00,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:09:00,905 INFO L471 AbstractCegarLoop]: Abstraction has 2289 states and 3148 transitions. [2024-11-09 04:09:00,905 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) [2024-11-09 04:09:00,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3148 transitions. [2024-11-09 04:09:00,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 04:09:00,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:09:00,906 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] [2024-11-09 04:09:00,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 04:09:01,106 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 [2024-11-09 04:09:01,107 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:09:01,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:09:01,107 INFO L85 PathProgramCache]: Analyzing trace with hash 598533038, now seen corresponding path program 1 times [2024-11-09 04:09:01,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:09:01,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991514475] [2024-11-09 04:09:01,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:09:01,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:09:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:01,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 04:09:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:01,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 04:09:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:01,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 04:09:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:09:01,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:09:01,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991514475] [2024-11-09 04:09:01,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991514475] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:09:01,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852271003] [2024-11-09 04:09:01,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:09:02,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:09:02,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:09:02,004 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) [2024-11-09 04:09:02,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 04:09:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:03,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 3102 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:09:03,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:09:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:09:03,470 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:09:03,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852271003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:09:03,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:09:03,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-09 04:09:03,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934534539] [2024-11-09 04:09:03,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:09:03,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:09:03,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:09:03,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:09:03,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:09:03,471 INFO L87 Difference]: Start difference. First operand 2289 states and 3148 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) [2024-11-09 04:09:07,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:09:07,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:09:07,681 INFO L93 Difference]: Finished difference Result 2790 states and 3813 transitions. [2024-11-09 04:09:07,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:09:07,681 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 [2024-11-09 04:09:07,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:09:07,693 INFO L225 Difference]: With dead ends: 2790 [2024-11-09 04:09:07,694 INFO L226 Difference]: Without dead ends: 2758 [2024-11-09 04:09:07,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:09:07,695 INFO L432 NwaCegarLoop]: 1100 mSDtfsCounter, 661 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:09:07,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 1495 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-09 04:09:07,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2024-11-09 04:09:07,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 2758. [2024-11-09 04:09:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2758 states, 1954 states have (on average 1.3147389969293757) internal successors, (2569), 1979 states have internal predecessors, (2569), 602 states have call successors, (602), 202 states have call predecessors, (602), 201 states have return successors, (601), 600 states have call predecessors, (601), 601 states have call successors, (601) [2024-11-09 04:09:07,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 3772 transitions. [2024-11-09 04:09:07,814 INFO L78 Accepts]: Start accepts. Automaton has 2758 states and 3772 transitions. Word has length 53 [2024-11-09 04:09:07,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:09:07,814 INFO L471 AbstractCegarLoop]: Abstraction has 2758 states and 3772 transitions. [2024-11-09 04:09:07,814 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) [2024-11-09 04:09:07,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3772 transitions. [2024-11-09 04:09:07,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 04:09:07,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:09:07,816 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:09:07,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 04:09:08,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 04:09:08,017 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:09:08,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:09:08,018 INFO L85 PathProgramCache]: Analyzing trace with hash -890061604, now seen corresponding path program 1 times [2024-11-09 04:09:08,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:09:08,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625303188] [2024-11-09 04:09:08,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:09:08,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:09:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:08,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 04:09:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:08,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 04:09:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:08,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 04:09:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:08,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 04:09:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:08,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 04:09:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:09:08,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:09:08,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625303188] [2024-11-09 04:09:08,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625303188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:09:08,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064100093] [2024-11-09 04:09:08,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:09:08,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:09:08,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:09:08,981 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:09:08,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 04:09:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:10,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:09:10,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:09:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:09:10,324 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:09:10,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064100093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:09:10,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:09:10,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-09 04:09:10,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258400401] [2024-11-09 04:09:10,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:09:10,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:09:10,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:09:10,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:09:10,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:09:10,325 INFO L87 Difference]: Start difference. First operand 2758 states and 3772 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 04:09:10,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:09:10,627 INFO L93 Difference]: Finished difference Result 7059 states and 9620 transitions. [2024-11-09 04:09:10,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:09:10,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 71 [2024-11-09 04:09:10,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:09:10,656 INFO L225 Difference]: With dead ends: 7059 [2024-11-09 04:09:10,657 INFO L226 Difference]: Without dead ends: 4304 [2024-11-09 04:09:10,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:09:10,670 INFO L432 NwaCegarLoop]: 743 mSDtfsCounter, 701 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:09:10,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 1429 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:09:10,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4304 states. [2024-11-09 04:09:10,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4304 to 4301. [2024-11-09 04:09:10,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4301 states, 3057 states have (on average 1.3117435394177297) internal successors, (4010), 3094 states have internal predecessors, (4010), 914 states have call successors, (914), 330 states have call predecessors, (914), 329 states have return successors, (913), 912 states have call predecessors, (913), 913 states have call successors, (913) [2024-11-09 04:09:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 4301 states and 5837 transitions. [2024-11-09 04:09:10,855 INFO L78 Accepts]: Start accepts. Automaton has 4301 states and 5837 transitions. Word has length 71 [2024-11-09 04:09:10,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:09:10,855 INFO L471 AbstractCegarLoop]: Abstraction has 4301 states and 5837 transitions. [2024-11-09 04:09:10,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 04:09:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand 4301 states and 5837 transitions. [2024-11-09 04:09:10,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 04:09:10,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:09:10,860 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:09:10,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 04:09:11,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 04:09:11,061 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:09:11,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:09:11,062 INFO L85 PathProgramCache]: Analyzing trace with hash 596748283, now seen corresponding path program 1 times [2024-11-09 04:09:11,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:09:11,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314731113] [2024-11-09 04:09:11,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:09:11,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:09:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:11,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 04:09:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:11,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 04:09:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 04:09:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 04:09:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 04:09:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 04:09:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:09:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 04:09:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:09:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 04:09:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:12,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:09:12,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:09:12,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314731113] [2024-11-09 04:09:12,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314731113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:09:12,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884729396] [2024-11-09 04:09:12,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:09:12,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:09:12,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:09:12,279 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:09:12,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 04:09:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:13,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 3750 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:09:13,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:09:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 04:09:13,738 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:09:13,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884729396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:09:13,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:09:13,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2024-11-09 04:09:13,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275665630] [2024-11-09 04:09:13,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:09:13,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:09:13,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:09:13,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:09:13,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:09:13,740 INFO L87 Difference]: Start difference. First operand 4301 states and 5837 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 04:09:13,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:09:13,910 INFO L93 Difference]: Finished difference Result 8611 states and 11923 transitions. [2024-11-09 04:09:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:09:13,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2024-11-09 04:09:13,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:09:13,931 INFO L225 Difference]: With dead ends: 8611 [2024-11-09 04:09:13,932 INFO L226 Difference]: Without dead ends: 4313 [2024-11-09 04:09:13,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:09:13,948 INFO L432 NwaCegarLoop]: 753 mSDtfsCounter, 0 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:09:13,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1501 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:09:13,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4313 states. [2024-11-09 04:09:14,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4313 to 4313. [2024-11-09 04:09:14,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4313 states, 3069 states have (on average 1.3105246008471816) internal successors, (4022), 3106 states have internal predecessors, (4022), 914 states have call successors, (914), 330 states have call predecessors, (914), 329 states have return successors, (913), 912 states have call predecessors, (913), 913 states have call successors, (913) [2024-11-09 04:09:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4313 states to 4313 states and 5849 transitions. [2024-11-09 04:09:14,134 INFO L78 Accepts]: Start accepts. Automaton has 4313 states and 5849 transitions. Word has length 134 [2024-11-09 04:09:14,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:09:14,135 INFO L471 AbstractCegarLoop]: Abstraction has 4313 states and 5849 transitions. [2024-11-09 04:09:14,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 04:09:14,135 INFO L276 IsEmpty]: Start isEmpty. Operand 4313 states and 5849 transitions. [2024-11-09 04:09:14,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 04:09:14,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:09:14,139 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:09:14,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 04:09:14,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 04:09:14,340 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:09:14,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:09:14,340 INFO L85 PathProgramCache]: Analyzing trace with hash 317009185, now seen corresponding path program 1 times [2024-11-09 04:09:14,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:09:14,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652395818] [2024-11-09 04:09:14,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:09:14,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:09:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 04:09:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 04:09:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 04:09:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 04:09:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 04:09:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 04:09:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:09:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 04:09:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 04:09:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 04:09:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:15,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:09:15,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:09:15,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652395818] [2024-11-09 04:09:15,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652395818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:09:15,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650778778] [2024-11-09 04:09:15,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:09:15,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:09:15,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:09:15,544 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:09:15,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 04:09:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:17,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 3755 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:09:17,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:09:17,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 04:09:17,074 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:09:17,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650778778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:09:17,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:09:17,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-11-09 04:09:17,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412937900] [2024-11-09 04:09:17,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:09:17,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:09:17,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:09:17,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:09:17,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-09 04:09:17,076 INFO L87 Difference]: Start difference. First operand 4313 states and 5849 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:09:17,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:09:17,251 INFO L93 Difference]: Finished difference Result 8647 states and 11851 transitions. [2024-11-09 04:09:17,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:09:17,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 135 [2024-11-09 04:09:17,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:09:17,275 INFO L225 Difference]: With dead ends: 8647 [2024-11-09 04:09:17,276 INFO L226 Difference]: Without dead ends: 4337 [2024-11-09 04:09:17,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-09 04:09:17,291 INFO L432 NwaCegarLoop]: 752 mSDtfsCounter, 1 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:09:17,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1497 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:09:17,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4337 states. [2024-11-09 04:09:17,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4337 to 4325. [2024-11-09 04:09:17,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4325 states, 3081 states have (on average 1.3093151574164232) internal successors, (4034), 3118 states have internal predecessors, (4034), 914 states have call successors, (914), 330 states have call predecessors, (914), 329 states have return successors, (913), 912 states have call predecessors, (913), 913 states have call successors, (913) [2024-11-09 04:09:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 4325 states and 5861 transitions. [2024-11-09 04:09:17,479 INFO L78 Accepts]: Start accepts. Automaton has 4325 states and 5861 transitions. Word has length 135 [2024-11-09 04:09:17,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:09:17,479 INFO L471 AbstractCegarLoop]: Abstraction has 4325 states and 5861 transitions. [2024-11-09 04:09:17,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:09:17,480 INFO L276 IsEmpty]: Start isEmpty. Operand 4325 states and 5861 transitions. [2024-11-09 04:09:17,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 04:09:17,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:09:17,488 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:09:17,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 04:09:17,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 04:09:17,690 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:09:17,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:09:17,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1303663095, now seen corresponding path program 1 times [2024-11-09 04:09:17,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:09:17,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737164826] [2024-11-09 04:09:17,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:09:17,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:09:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:18,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 04:09:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:18,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 04:09:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:18,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 04:09:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:18,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 04:09:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:18,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 04:09:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:18,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 04:09:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:18,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:18,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:18,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:18,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:09:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 04:09:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 04:09:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 04:09:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 04:09:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:09:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 04:09:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 04:09:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 04:09:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 04:09:19,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:09:19,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737164826] [2024-11-09 04:09:19,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737164826] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:09:19,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505713406] [2024-11-09 04:09:19,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:09:19,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:09:19,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:09:19,132 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:09:19,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 04:09:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:20,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 4176 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:09:20,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:09:20,835 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 04:09:20,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:09:20,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505713406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:09:20,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:09:20,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-09 04:09:20,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762815640] [2024-11-09 04:09:20,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:09:20,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:09:20,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:09:20,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:09:20,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-09 04:09:20,871 INFO L87 Difference]: Start difference. First operand 4325 states and 5861 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 04:09:21,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:09:21,163 INFO L93 Difference]: Finished difference Result 8671 states and 11983 transitions. [2024-11-09 04:09:21,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:09:21,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-09 04:09:21,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:09:21,190 INFO L225 Difference]: With dead ends: 8671 [2024-11-09 04:09:21,190 INFO L226 Difference]: Without dead ends: 4349 [2024-11-09 04:09:21,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-09 04:09:21,215 INFO L432 NwaCegarLoop]: 752 mSDtfsCounter, 0 mSDsluCounter, 1495 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2247 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:09:21,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2247 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:09:21,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2024-11-09 04:09:21,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4349. [2024-11-09 04:09:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 3105 states have (on average 1.3069243156199677) internal successors, (4058), 3142 states have internal predecessors, (4058), 914 states have call successors, (914), 330 states have call predecessors, (914), 329 states have return successors, (913), 912 states have call predecessors, (913), 913 states have call successors, (913) [2024-11-09 04:09:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 5885 transitions. [2024-11-09 04:09:21,426 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 5885 transitions. Word has length 190 [2024-11-09 04:09:21,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:09:21,427 INFO L471 AbstractCegarLoop]: Abstraction has 4349 states and 5885 transitions. [2024-11-09 04:09:21,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 04:09:21,427 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 5885 transitions. [2024-11-09 04:09:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-09 04:09:21,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:09:21,433 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:09:21,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 04:09:21,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 04:09:21,634 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:09:21,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:09:21,634 INFO L85 PathProgramCache]: Analyzing trace with hash -69431389, now seen corresponding path program 1 times [2024-11-09 04:09:21,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:09:21,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841847769] [2024-11-09 04:09:21,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:09:21,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:09:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 04:09:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 04:09:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 04:09:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 04:09:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 04:09:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 04:09:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:09:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 04:09:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 04:09:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 04:09:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 04:09:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:22,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:23,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:23,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:09:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:23,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 04:09:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:23,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:23,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:09:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:23,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 04:09:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:23,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 04:09:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 04:09:23,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:09:23,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841847769] [2024-11-09 04:09:23,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841847769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:09:23,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405810873] [2024-11-09 04:09:23,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:09:23,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:09:23,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:09:23,099 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:09:23,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 04:09:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:09:24,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 4172 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:09:24,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:09:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 04:09:24,921 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:09:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 04:09:25,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405810873] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:09:25,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:09:25,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2024-11-09 04:09:25,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339318262] [2024-11-09 04:09:25,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:09:25,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 04:09:25,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:09:25,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 04:09:25,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 04:09:25,472 INFO L87 Difference]: Start difference. First operand 4349 states and 5885 transitions. Second operand has 14 states, 14 states have (on average 13.857142857142858) internal successors, (194), 9 states have internal predecessors, (194), 2 states have call successors, (45), 6 states have call predecessors, (45), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-09 04:09:29,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:09:33,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:09:37,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []