./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--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-wip.dd.update-z3-fca748b-m [2024-11-20 11:03:24,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 11:03:24,656 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 11:03:24,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 11:03:24,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 11:03:24,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 11:03:24,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 11:03:24,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 11:03:24,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 11:03:24,703 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 11:03:24,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 11:03:24,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 11:03:24,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 11:03:24,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 11:03:24,707 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 11:03:24,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 11:03:24,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 11:03:24,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 11:03:24,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 11:03:24,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 11:03:24,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 11:03:24,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 11:03:24,712 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 11:03:24,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 11:03:24,713 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 11:03:24,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 11:03:24,713 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 11:03:24,714 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 11:03:24,714 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 11:03:24,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:03:24,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 11:03:24,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 11:03:24,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 11:03:24,715 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 11:03:24,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 11:03:24,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 11:03:24,715 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 11:03:24,716 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 11:03:24,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 11:03:24,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 [2024-11-20 11:03:24,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 11:03:24,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 11:03:25,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 11:03:25,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 11:03:25,004 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 11:03:25,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2024-11-20 11:03:26,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 11:03:26,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 11:03:26,874 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 [2024-11-20 11:03:26,915 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1804f6382/4b2d85b06eea4560b7e9d9b8729dc9ad/FLAGaf3697316 [2024-11-20 11:03:26,936 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1804f6382/4b2d85b06eea4560b7e9d9b8729dc9ad [2024-11-20 11:03:26,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 11:03:26,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 11:03:26,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 11:03:26,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 11:03:26,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 11:03:26,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:03:26" (1/1) ... [2024-11-20 11:03:26,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba62769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:26, skipping insertion in model container [2024-11-20 11:03:26,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:03:26" (1/1) ... [2024-11-20 11:03:27,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 11:03:28,207 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] [2024-11-20 11:03:28,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:03:28,380 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 11:03:28,621 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] [2024-11-20 11:03:28,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:03:28,724 INFO L204 MainTranslator]: Completed translation [2024-11-20 11:03:28,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28 WrapperNode [2024-11-20 11:03:28,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 11:03:28,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 11:03:28,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 11:03:28,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 11:03:28,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28" (1/1) ... [2024-11-20 11:03:28,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28" (1/1) ... [2024-11-20 11:03:28,894 INFO L138 Inliner]: procedures = 161, calls = 1531, calls flagged for inlining = 53, calls inlined = 28, statements flattened = 1863 [2024-11-20 11:03:28,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 11:03:28,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 11:03:28,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 11:03:28,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 11:03:28,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28" (1/1) ... [2024-11-20 11:03:28,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28" (1/1) ... [2024-11-20 11:03:28,934 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28" (1/1) ... [2024-11-20 11:03:29,028 INFO L175 MemorySlicer]: Split 1089 memory accesses to 22 slices as follows [2, 522, 5, 6, 2, 5, 37, 3, 18, 72, 3, 8, 3, 3, 11, 10, 10, 6, 1, 13, 24, 325]. 48 percent of accesses are in the largest equivalence class. The 793 initializations are split as follows [2, 512, 5, 0, 0, 5, 28, 3, 18, 0, 0, 4, 0, 0, 11, 10, 10, 0, 0, 13, 0, 172]. The 195 writes are split as follows [0, 0, 0, 6, 2, 0, 0, 0, 0, 72, 0, 0, 0, 2, 0, 0, 0, 5, 0, 0, 24, 84]. [2024-11-20 11:03:29,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28" (1/1) ... [2024-11-20 11:03:29,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28" (1/1) ... [2024-11-20 11:03:29,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28" (1/1) ... [2024-11-20 11:03:29,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28" (1/1) ... [2024-11-20 11:03:29,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28" (1/1) ... [2024-11-20 11:03:29,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28" (1/1) ... [2024-11-20 11:03:29,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 11:03:29,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 11:03:29,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 11:03:29,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 11:03:29,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28" (1/1) ... [2024-11-20 11:03:29,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:03:29,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:03:29,380 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) [2024-11-20 11:03:29,385 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 [2024-11-20 11:03:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-20 11:03:29,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-20 11:03:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure pf_getgeo [2024-11-20 11:03:29,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_getgeo [2024-11-20 11:03:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-20 11:03:29,448 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-20 11:03:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-20 11:03:29,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-20 11:03:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-20 11:03:29,449 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-20 11:03:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 11:03:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 11:03:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 11:03:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 11:03:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 11:03:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 11:03:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 11:03:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-20 11:03:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-20 11:03:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-20 11:03:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-20 11:03:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-20 11:03:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-20 11:03:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-20 11:03:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-20 11:03:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-20 11:03:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-20 11:03:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-20 11:03:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-20 11:03:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-20 11:03:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-20 11:03:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-20 11:03:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pf_mutex [2024-11-20 11:03:29,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pf_mutex [2024-11-20 11:03:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure pf_reset [2024-11-20 11:03:29,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_reset [2024-11-20 11:03:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 11:03:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 11:03:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 11:03:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 11:03:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 11:03:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 11:03:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 11:03:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-20 11:03:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-20 11:03:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-20 11:03:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-20 11:03:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-20 11:03:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-20 11:03:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-20 11:03:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-20 11:03:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-20 11:03:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-20 11:03:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-20 11:03:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-20 11:03:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-20 11:03:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-20 11:03:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-20 11:03:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 11:03:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 11:03:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 11:03:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 11:03:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 11:03:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 11:03:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 11:03:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 11:03:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-20 11:03:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-20 11:03:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-20 11:03:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-20 11:03:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-20 11:03:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-20 11:03:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-20 11:03:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-20 11:03:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-20 11:03:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-20 11:03:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-20 11:03:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-20 11:03:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-20 11:03:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-20 11:03:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2024-11-20 11:03:29,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2024-11-20 11:03:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure pf_wait [2024-11-20 11:03:29,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_wait [2024-11-20 11:03:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-20 11:03:29,459 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-20 11:03:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-20 11:03:29,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-20 11:03:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pf_mutex [2024-11-20 11:03:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pf_mutex [2024-11-20 11:03:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure pf_check_events [2024-11-20 11:03:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_check_events [2024-11-20 11:03:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-11-20 11:03:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-11-20 11:03:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 11:03:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 11:03:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 11:03:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-20 11:03:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-20 11:03:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-20 11:03:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-20 11:03:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-20 11:03:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-20 11:03:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-20 11:03:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-20 11:03:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-20 11:03:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2024-11-20 11:03:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2024-11-20 11:03:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure pf_req_sense [2024-11-20 11:03:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_req_sense [2024-11-20 11:03:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure pf_completion [2024-11-20 11:03:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_completion [2024-11-20 11:03:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 11:03:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-20 11:03:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-20 11:03:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 11:03:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-20 11:03:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-20 11:03:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 11:03:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 11:03:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 11:03:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 11:03:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 11:03:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 11:03:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 11:03:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 11:03:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-20 11:03:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-20 11:03:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-20 11:03:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-20 11:03:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-20 11:03:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-20 11:03:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-20 11:03:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-20 11:03:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-20 11:03:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-20 11:03:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-20 11:03:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-20 11:03:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-20 11:03:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-20 11:03:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-20 11:03:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure pf_atapi [2024-11-20 11:03:29,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_atapi [2024-11-20 11:03:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure pf_command [2024-11-20 11:03:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_command [2024-11-20 11:03:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure pf_probe [2024-11-20 11:03:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_probe [2024-11-20 11:03:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 11:03:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 11:03:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 11:03:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 11:03:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 11:03:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 11:03:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 11:03:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-20 11:03:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-20 11:03:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-20 11:03:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-20 11:03:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-20 11:03:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-20 11:03:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-20 11:03:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-20 11:03:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-20 11:03:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-20 11:03:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-20 11:03:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-20 11:03:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-20 11:03:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-20 11:03:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-20 11:03:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure pf_identify [2024-11-20 11:03:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_identify [2024-11-20 11:03:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure pf_sleep [2024-11-20 11:03:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_sleep [2024-11-20 11:03:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure pf_mode_sense [2024-11-20 11:03:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_mode_sense [2024-11-20 11:03:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-11-20 11:03:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-11-20 11:03:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 11:03:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 11:03:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 11:03:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 11:03:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 11:03:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 11:03:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 11:03:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 11:03:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-20 11:03:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-20 11:03:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-20 11:03:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-20 11:03:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-20 11:03:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-20 11:03:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-20 11:03:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-20 11:03:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-20 11:03:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-20 11:03:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-20 11:03:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-20 11:03:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-20 11:03:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-20 11:03:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-20 11:03:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-20 11:03:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-20 11:03:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-20 11:03:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-20 11:03:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-20 11:03:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-20 11:03:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-20 11:03:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-20 11:03:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-20 11:03:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-20 11:03:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2024-11-20 11:03:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2024-11-20 11:03:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure pf_lock [2024-11-20 11:03:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_lock [2024-11-20 11:03:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 11:03:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 11:03:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 11:03:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 11:03:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 11:03:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 11:03:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 11:03:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 11:03:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 11:03:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-20 11:03:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-20 11:03:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-20 11:03:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-20 11:03:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-20 11:03:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-20 11:03:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-20 11:03:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-20 11:03:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-20 11:03:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-20 11:03:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-20 11:03:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-20 11:03:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-20 11:03:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure xl [2024-11-20 11:03:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure xl [2024-11-20 11:03:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 11:03:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 11:03:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-11-20 11:03:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-11-20 11:03:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ioctl [2024-11-20 11:03:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ioctl [2024-11-20 11:03:29,885 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 11:03:29,887 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 11:03:37,479 INFO L? ?]: Removed 415 outVars from TransFormulas that were not future-live. [2024-11-20 11:03:37,479 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 11:03:37,513 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 11:03:37,517 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-20 11:03:37,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:03:37 BoogieIcfgContainer [2024-11-20 11:03:37,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 11:03:37,521 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 11:03:37,521 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 11:03:37,525 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 11:03:37,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:03:26" (1/3) ... [2024-11-20 11:03:37,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132693a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:03:37, skipping insertion in model container [2024-11-20 11:03:37,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:28" (2/3) ... [2024-11-20 11:03:37,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132693a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:03:37, skipping insertion in model container [2024-11-20 11:03:37,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:03:37" (3/3) ... [2024-11-20 11:03:37,529 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2024-11-20 11:03:37,546 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 11:03:37,547 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 11:03:37,647 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 11:03:37,653 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;@3584483c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 11:03:37,654 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 11:03:37,662 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) [2024-11-20 11:03:37,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-20 11:03:37,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:03:37,670 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:03:37,670 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:03:37,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:03:37,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1454029286, now seen corresponding path program 1 times [2024-11-20 11:03:37,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:03:37,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796780570] [2024-11-20 11:03:37,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:03:37,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:03:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:03:39,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:03:39,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796780570] [2024-11-20 11:03:39,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796780570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:03:39,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:03:39,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 11:03:39,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700363485] [2024-11-20 11:03:39,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:03:39,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:03:39,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:03:39,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:03:39,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 11:03:39,589 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) [2024-11-20 11:03:39,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:03:39,969 INFO L93 Difference]: Finished difference Result 1610 states and 2315 transitions. [2024-11-20 11:03:39,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:03:39,976 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 [2024-11-20 11:03:39,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:03:40,003 INFO L225 Difference]: With dead ends: 1610 [2024-11-20 11:03:40,003 INFO L226 Difference]: Without dead ends: 1024 [2024-11-20 11:03:40,014 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 [2024-11-20 11:03:40,017 INFO L432 NwaCegarLoop]: 1160 mSDtfsCounter, 628 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 11:03:40,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 1924 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 11:03:40,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2024-11-20 11:03:40,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1010. [2024-11-20 11:03:40,156 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) [2024-11-20 11:03:40,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1400 transitions. [2024-11-20 11:03:40,172 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1400 transitions. Word has length 16 [2024-11-20 11:03:40,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:03:40,173 INFO L471 AbstractCegarLoop]: Abstraction has 1010 states and 1400 transitions. [2024-11-20 11:03:40,173 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) [2024-11-20 11:03:40,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1400 transitions. [2024-11-20 11:03:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-20 11:03:40,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:03:40,175 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:03:40,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 11:03:40,176 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:03:40,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:03:40,177 INFO L85 PathProgramCache]: Analyzing trace with hash 983832029, now seen corresponding path program 1 times [2024-11-20 11:03:40,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:03:40,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039621388] [2024-11-20 11:03:40,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:03:40,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:03:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:41,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:03:41,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:03:41,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039621388] [2024-11-20 11:03:41,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039621388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:03:41,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:03:41,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 11:03:41,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680935492] [2024-11-20 11:03:41,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:03:41,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:03:41,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:03:41,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:03:41,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 11:03:41,352 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) [2024-11-20 11:03:41,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:03:41,478 INFO L93 Difference]: Finished difference Result 2017 states and 2797 transitions. [2024-11-20 11:03:41,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:03:41,479 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 [2024-11-20 11:03:41,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:03:41,489 INFO L225 Difference]: With dead ends: 2017 [2024-11-20 11:03:41,490 INFO L226 Difference]: Without dead ends: 1010 [2024-11-20 11:03:41,494 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 [2024-11-20 11:03:41,496 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 [2024-11-20 11:03:41,496 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] [2024-11-20 11:03:41,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-11-20 11:03:41,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 1010. [2024-11-20 11:03:41,564 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) [2024-11-20 11:03:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1398 transitions. [2024-11-20 11:03:41,575 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1398 transitions. Word has length 18 [2024-11-20 11:03:41,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:03:41,575 INFO L471 AbstractCegarLoop]: Abstraction has 1010 states and 1398 transitions. [2024-11-20 11:03:41,577 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) [2024-11-20 11:03:41,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1398 transitions. [2024-11-20 11:03:41,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-20 11:03:41,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:03:41,580 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] [2024-11-20 11:03:41,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 11:03:41,580 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:03:41,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:03:41,584 INFO L85 PathProgramCache]: Analyzing trace with hash -909447033, now seen corresponding path program 1 times [2024-11-20 11:03:41,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:03:41,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226946674] [2024-11-20 11:03:41,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:03:41,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:03:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:42,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 11:03:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:03:42,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:03:42,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226946674] [2024-11-20 11:03:42,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226946674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:03:42,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:03:42,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 11:03:42,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347733175] [2024-11-20 11:03:42,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:03:42,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:03:42,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:03:42,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:03:42,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 11:03:42,848 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) [2024-11-20 11:03:46,916 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 [] [2024-11-20 11:03:47,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:03:47,083 INFO L93 Difference]: Finished difference Result 2423 states and 3344 transitions. [2024-11-20 11:03:47,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:03:47,084 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 [2024-11-20 11:03:47,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:03:47,094 INFO L225 Difference]: With dead ends: 2423 [2024-11-20 11:03:47,095 INFO L226 Difference]: Without dead ends: 1416 [2024-11-20 11:03:47,100 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 [2024-11-20 11:03:47,101 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, 4.2s IncrementalHoareTripleChecker+Time [2024-11-20 11:03:47,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 1823 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-20 11:03:47,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2024-11-20 11:03:47,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1392. [2024-11-20 11:03:47,169 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) [2024-11-20 11:03:47,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1918 transitions. [2024-11-20 11:03:47,179 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1918 transitions. Word has length 22 [2024-11-20 11:03:47,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:03:47,180 INFO L471 AbstractCegarLoop]: Abstraction has 1392 states and 1918 transitions. [2024-11-20 11:03:47,180 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) [2024-11-20 11:03:47,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1918 transitions. [2024-11-20 11:03:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-20 11:03:47,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:03:47,182 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] [2024-11-20 11:03:47,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 11:03:47,182 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:03:47,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:03:47,183 INFO L85 PathProgramCache]: Analyzing trace with hash -428234540, now seen corresponding path program 1 times [2024-11-20 11:03:47,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:03:47,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546742326] [2024-11-20 11:03:47,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:03:47,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:03:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:48,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 11:03:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:48,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:03:48,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:03:48,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546742326] [2024-11-20 11:03:48,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546742326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:03:48,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:03:48,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 11:03:48,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009559031] [2024-11-20 11:03:48,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:03:48,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:03:48,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:03:48,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:03:48,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 11:03:48,350 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) [2024-11-20 11:03:48,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:03:48,477 INFO L93 Difference]: Finished difference Result 2799 states and 3861 transitions. [2024-11-20 11:03:48,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:03:48,478 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 [2024-11-20 11:03:48,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:03:48,488 INFO L225 Difference]: With dead ends: 2799 [2024-11-20 11:03:48,488 INFO L226 Difference]: Without dead ends: 1410 [2024-11-20 11:03:48,494 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 [2024-11-20 11:03:48,495 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 [2024-11-20 11:03:48,496 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] [2024-11-20 11:03:48,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2024-11-20 11:03:48,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1394. [2024-11-20 11:03:48,557 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) [2024-11-20 11:03:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1920 transitions. [2024-11-20 11:03:48,567 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1920 transitions. Word has length 30 [2024-11-20 11:03:48,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:03:48,568 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 1920 transitions. [2024-11-20 11:03:48,568 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) [2024-11-20 11:03:48,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1920 transitions. [2024-11-20 11:03:48,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 11:03:48,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:03:48,570 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] [2024-11-20 11:03:48,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 11:03:48,570 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:03:48,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:03:48,571 INFO L85 PathProgramCache]: Analyzing trace with hash -2061059013, now seen corresponding path program 1 times [2024-11-20 11:03:48,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:03:48,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163056823] [2024-11-20 11:03:48,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:03:48,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:03:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:49,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 11:03:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:03:49,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:03:49,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163056823] [2024-11-20 11:03:49,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163056823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:03:49,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325199099] [2024-11-20 11:03:49,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:03:49,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:03:49,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:03:49,660 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) [2024-11-20 11:03:49,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 11:03:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:51,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 2939 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 11:03:51,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:03:51,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 11:03:51,272 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:03:51,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325199099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:03:51,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:03:51,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-20 11:03:51,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967353347] [2024-11-20 11:03:51,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:03:51,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:03:51,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:03:51,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:03:51,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 11:03:51,274 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) [2024-11-20 11:03:51,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:03:51,390 INFO L93 Difference]: Finished difference Result 2823 states and 3897 transitions. [2024-11-20 11:03:51,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:03:51,391 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 [2024-11-20 11:03:51,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:03:51,403 INFO L225 Difference]: With dead ends: 2823 [2024-11-20 11:03:51,403 INFO L226 Difference]: Without dead ends: 1432 [2024-11-20 11:03:51,409 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 [2024-11-20 11:03:51,410 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 11:03:51,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1580 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 11:03:51,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-11-20 11:03:51,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1398. [2024-11-20 11:03:51,467 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) [2024-11-20 11:03:51,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1924 transitions. [2024-11-20 11:03:51,478 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1924 transitions. Word has length 34 [2024-11-20 11:03:51,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:03:51,479 INFO L471 AbstractCegarLoop]: Abstraction has 1398 states and 1924 transitions. [2024-11-20 11:03:51,479 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) [2024-11-20 11:03:51,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1924 transitions. [2024-11-20 11:03:51,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-20 11:03:51,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:03:51,480 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] [2024-11-20 11:03:51,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 11:03:51,681 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 [2024-11-20 11:03:51,681 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:03:51,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:03:51,682 INFO L85 PathProgramCache]: Analyzing trace with hash -394368894, now seen corresponding path program 1 times [2024-11-20 11:03:51,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:03:51,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260258587] [2024-11-20 11:03:51,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:03:51,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:03:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:52,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 11:03:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 11:03:52,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:03:52,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260258587] [2024-11-20 11:03:52,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260258587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:03:52,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330984788] [2024-11-20 11:03:52,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:03:52,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:03:52,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:03:52,833 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) [2024-11-20 11:03:52,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 11:03:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:54,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 2958 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 11:03:54,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:03:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 11:03:54,448 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:03:54,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330984788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:03:54,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:03:54,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-20 11:03:54,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844334504] [2024-11-20 11:03:54,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:03:54,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:03:54,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:03:54,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:03:54,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 11:03:54,451 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) [2024-11-20 11:03:54,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:03:54,621 INFO L93 Difference]: Finished difference Result 4136 states and 5684 transitions. [2024-11-20 11:03:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:03:54,622 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 [2024-11-20 11:03:54,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:03:54,641 INFO L225 Difference]: With dead ends: 4136 [2024-11-20 11:03:54,641 INFO L226 Difference]: Without dead ends: 2741 [2024-11-20 11:03:54,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 11:03:54,650 INFO L432 NwaCegarLoop]: 789 mSDtfsCounter, 750 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-20 11:03:54,650 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] [2024-11-20 11:03:54,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2024-11-20 11:03:54,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2258. [2024-11-20 11:03:54,749 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) [2024-11-20 11:03:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 2258 states and 3103 transitions. [2024-11-20 11:03:54,764 INFO L78 Accepts]: Start accepts. Automaton has 2258 states and 3103 transitions. Word has length 38 [2024-11-20 11:03:54,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:03:54,765 INFO L471 AbstractCegarLoop]: Abstraction has 2258 states and 3103 transitions. [2024-11-20 11:03:54,765 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) [2024-11-20 11:03:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 3103 transitions. [2024-11-20 11:03:54,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-20 11:03:54,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:03:54,766 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] [2024-11-20 11:03:54,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 11:03:54,967 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 [2024-11-20 11:03:54,968 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:03:54,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:03:54,968 INFO L85 PathProgramCache]: Analyzing trace with hash 789422399, now seen corresponding path program 1 times [2024-11-20 11:03:54,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:03:54,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35670979] [2024-11-20 11:03:54,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:03:54,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:03:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:55,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 11:03:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:55,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 11:03:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:03:55,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:03:55,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35670979] [2024-11-20 11:03:55,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35670979] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:03:55,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222606070] [2024-11-20 11:03:55,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:03:55,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:03:55,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:03:55,998 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) [2024-11-20 11:03:56,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 11:03:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:57,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 3010 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 11:03:57,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:03:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 11:03:57,437 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:03:57,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222606070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:03:57,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:03:57,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-20 11:03:57,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963815193] [2024-11-20 11:03:57,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:03:57,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:03:57,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:03:57,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:03:57,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 11:03:57,439 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) [2024-11-20 11:03:57,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:03:57,569 INFO L93 Difference]: Finished difference Result 4547 states and 6259 transitions. [2024-11-20 11:03:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:03:57,570 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 [2024-11-20 11:03:57,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:03:57,591 INFO L225 Difference]: With dead ends: 4547 [2024-11-20 11:03:57,591 INFO L226 Difference]: Without dead ends: 2292 [2024-11-20 11:03:57,601 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 [2024-11-20 11:03:57,603 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 11:03:57,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 1555 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 11:03:57,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2292 states. [2024-11-20 11:03:57,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2292 to 2292. [2024-11-20 11:03:57,694 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) [2024-11-20 11:03:57,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 3155 transitions. [2024-11-20 11:03:57,708 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 3155 transitions. Word has length 39 [2024-11-20 11:03:57,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:03:57,709 INFO L471 AbstractCegarLoop]: Abstraction has 2292 states and 3155 transitions. [2024-11-20 11:03:57,709 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) [2024-11-20 11:03:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 3155 transitions. [2024-11-20 11:03:57,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-20 11:03:57,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:03:57,712 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] [2024-11-20 11:03:57,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 11:03:57,912 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 [2024-11-20 11:03:57,913 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:03:57,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:03:57,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1466215333, now seen corresponding path program 1 times [2024-11-20 11:03:57,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:03:57,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333432542] [2024-11-20 11:03:57,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:03:57,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:03:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:58,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 11:03:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:58,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 11:03:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:59,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 11:03:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:03:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:03:59,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:03:59,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333432542] [2024-11-20 11:03:59,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333432542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:03:59,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62592605] [2024-11-20 11:03:59,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:03:59,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:03:59,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:03:59,138 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) [2024-11-20 11:03:59,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 11:04:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:00,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 3101 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 11:04:00,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:04:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 11:04:00,619 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:04:00,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62592605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:04:00,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:04:00,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-20 11:04:00,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982212442] [2024-11-20 11:04:00,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:04:00,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:04:00,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:04:00,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:04:00,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:04:00,622 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) [2024-11-20 11:04:00,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:04:00,763 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2024-11-20 11:04:00,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:04:00,764 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 [2024-11-20 11:04:00,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:04:00,780 INFO L225 Difference]: With dead ends: 2314 [2024-11-20 11:04:00,781 INFO L226 Difference]: Without dead ends: 2303 [2024-11-20 11:04:00,783 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 [2024-11-20 11:04:00,784 INFO L432 NwaCegarLoop]: 801 mSDtfsCounter, 784 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-20 11:04:00,785 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] [2024-11-20 11:04:00,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2303 states. [2024-11-20 11:04:00,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2303 to 2292. [2024-11-20 11:04:00,887 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) [2024-11-20 11:04:00,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 3154 transitions. [2024-11-20 11:04:00,900 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 3154 transitions. Word has length 50 [2024-11-20 11:04:00,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:04:00,901 INFO L471 AbstractCegarLoop]: Abstraction has 2292 states and 3154 transitions. [2024-11-20 11:04:00,901 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) [2024-11-20 11:04:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 3154 transitions. [2024-11-20 11:04:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-20 11:04:00,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:04:00,903 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] [2024-11-20 11:04:00,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 11:04:01,103 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 [2024-11-20 11:04:01,104 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:04:01,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:04:01,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1523473635, now seen corresponding path program 1 times [2024-11-20 11:04:01,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:04:01,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43603910] [2024-11-20 11:04:01,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:01,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:04:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:02,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 11:04:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:02,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 11:04:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:02,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 11:04:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:04:02,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:04:02,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43603910] [2024-11-20 11:04:02,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43603910] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:04:02,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512352349] [2024-11-20 11:04:02,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:02,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:04:02,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:04:02,194 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) [2024-11-20 11:04:02,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 11:04:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:03,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 3096 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 11:04:03,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:04:03,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 11:04:03,820 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:04:03,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512352349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:04:03,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:04:03,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-20 11:04:03,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803906240] [2024-11-20 11:04:03,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:04:03,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:04:03,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:04:03,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:04:03,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:04:03,822 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) [2024-11-20 11:04:07,860 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 [] [2024-11-20 11:04:07,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:04:07,966 INFO L93 Difference]: Finished difference Result 2294 states and 3155 transitions. [2024-11-20 11:04:07,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:04:07,967 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 [2024-11-20 11:04:07,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:04:07,987 INFO L225 Difference]: With dead ends: 2294 [2024-11-20 11:04:07,987 INFO L226 Difference]: Without dead ends: 2291 [2024-11-20 11:04:07,989 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 [2024-11-20 11:04:07,991 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, 4.1s IncrementalHoareTripleChecker+Time [2024-11-20 11:04:07,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 786 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-20 11:04:07,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2024-11-20 11:04:08,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2291. [2024-11-20 11:04:08,099 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) [2024-11-20 11:04:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 2291 states and 3152 transitions. [2024-11-20 11:04:08,115 INFO L78 Accepts]: Start accepts. Automaton has 2291 states and 3152 transitions. Word has length 50 [2024-11-20 11:04:08,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:04:08,116 INFO L471 AbstractCegarLoop]: Abstraction has 2291 states and 3152 transitions. [2024-11-20 11:04:08,116 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) [2024-11-20 11:04:08,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 3152 transitions. [2024-11-20 11:04:08,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-20 11:04:08,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:04:08,117 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] [2024-11-20 11:04:08,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-20 11:04:08,323 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 [2024-11-20 11:04:08,324 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:04:08,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:04:08,324 INFO L85 PathProgramCache]: Analyzing trace with hash -17244853, now seen corresponding path program 1 times [2024-11-20 11:04:08,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:04:08,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317415977] [2024-11-20 11:04:08,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:08,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:04:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:09,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 11:04:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:09,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 11:04:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:09,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 11:04:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:04:09,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:04:09,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317415977] [2024-11-20 11:04:09,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317415977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:04:09,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28382881] [2024-11-20 11:04:09,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:09,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:04:09,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:04:09,505 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) [2024-11-20 11:04:09,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 11:04:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:11,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 3098 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 11:04:11,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:04:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 11:04:11,194 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:04:11,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28382881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:04:11,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:04:11,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-20 11:04:11,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722297921] [2024-11-20 11:04:11,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:04:11,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:04:11,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:04:11,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:04:11,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:04:11,196 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) [2024-11-20 11:04:15,236 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 [] [2024-11-20 11:04:15,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:04:15,326 INFO L93 Difference]: Finished difference Result 2293 states and 3153 transitions. [2024-11-20 11:04:15,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:04:15,327 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 [2024-11-20 11:04:15,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:04:15,342 INFO L225 Difference]: With dead ends: 2293 [2024-11-20 11:04:15,343 INFO L226 Difference]: Without dead ends: 2290 [2024-11-20 11:04:15,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:04:15,345 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 [2024-11-20 11:04:15,346 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] [2024-11-20 11:04:15,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2024-11-20 11:04:15,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 2290. [2024-11-20 11:04:15,452 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) [2024-11-20 11:04:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 2290 states and 3150 transitions. [2024-11-20 11:04:15,471 INFO L78 Accepts]: Start accepts. Automaton has 2290 states and 3150 transitions. Word has length 51 [2024-11-20 11:04:15,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:04:15,472 INFO L471 AbstractCegarLoop]: Abstraction has 2290 states and 3150 transitions. [2024-11-20 11:04:15,472 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) [2024-11-20 11:04:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 3150 transitions. [2024-11-20 11:04:15,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-20 11:04:15,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:04:15,474 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] [2024-11-20 11:04:15,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 11:04:15,675 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 [2024-11-20 11:04:15,675 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:04:15,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:04:15,677 INFO L85 PathProgramCache]: Analyzing trace with hash -534872858, now seen corresponding path program 1 times [2024-11-20 11:04:15,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:04:15,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919468071] [2024-11-20 11:04:15,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:15,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:04:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:16,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 11:04:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:16,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 11:04:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:16,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 11:04:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:16,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:04:16,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:04:16,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919468071] [2024-11-20 11:04:16,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919468071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:04:16,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740397809] [2024-11-20 11:04:16,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:16,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:04:16,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:04:16,755 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) [2024-11-20 11:04:16,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 11:04:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:18,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 3100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 11:04:18,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:04:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 11:04:18,355 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:04:18,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740397809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:04:18,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:04:18,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-20 11:04:18,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536264272] [2024-11-20 11:04:18,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:04:18,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:04:18,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:04:18,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:04:18,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:04:18,357 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) [2024-11-20 11:04:22,398 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 [] [2024-11-20 11:04:22,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:04:22,504 INFO L93 Difference]: Finished difference Result 2292 states and 3151 transitions. [2024-11-20 11:04:22,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:04:22,505 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 [2024-11-20 11:04:22,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:04:22,518 INFO L225 Difference]: With dead ends: 2292 [2024-11-20 11:04:22,519 INFO L226 Difference]: Without dead ends: 2289 [2024-11-20 11:04:22,520 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 [2024-11-20 11:04:22,521 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 [2024-11-20 11:04:22,521 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] [2024-11-20 11:04:22,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2024-11-20 11:04:22,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 2289. [2024-11-20 11:04:22,647 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) [2024-11-20 11:04:22,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 3148 transitions. [2024-11-20 11:04:22,710 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 3148 transitions. Word has length 52 [2024-11-20 11:04:22,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:04:22,710 INFO L471 AbstractCegarLoop]: Abstraction has 2289 states and 3148 transitions. [2024-11-20 11:04:22,710 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) [2024-11-20 11:04:22,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3148 transitions. [2024-11-20 11:04:22,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-20 11:04:22,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:04:22,711 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] [2024-11-20 11:04:22,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 11:04:22,912 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 [2024-11-20 11:04:22,913 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:04:22,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:04:22,914 INFO L85 PathProgramCache]: Analyzing trace with hash 598533038, now seen corresponding path program 1 times [2024-11-20 11:04:22,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:04:22,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612976116] [2024-11-20 11:04:22,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:22,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:04:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:23,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 11:04:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:23,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 11:04:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:23,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 11:04:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:23,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:04:23,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:04:23,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612976116] [2024-11-20 11:04:23,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612976116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:04:23,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402858940] [2024-11-20 11:04:23,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:23,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:04:23,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:04:23,834 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) [2024-11-20 11:04:23,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 11:04:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:25,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 3102 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 11:04:25,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:04:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 11:04:25,674 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:04:25,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402858940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:04:25,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:04:25,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-20 11:04:25,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393384107] [2024-11-20 11:04:25,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:04:25,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:04:25,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:04:25,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:04:25,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:04:25,676 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) [2024-11-20 11:04:29,718 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 [] [2024-11-20 11:04:29,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:04:29,860 INFO L93 Difference]: Finished difference Result 2790 states and 3813 transitions. [2024-11-20 11:04:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:04:29,861 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 [2024-11-20 11:04:29,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:04:29,877 INFO L225 Difference]: With dead ends: 2790 [2024-11-20 11:04:29,877 INFO L226 Difference]: Without dead ends: 2758 [2024-11-20 11:04:29,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:04:29,881 INFO L432 NwaCegarLoop]: 1100 mSDtfsCounter, 661 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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 [2024-11-20 11:04:29,881 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] [2024-11-20 11:04:29,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2024-11-20 11:04:30,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 2758. [2024-11-20 11:04:30,043 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) [2024-11-20 11:04:30,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 3772 transitions. [2024-11-20 11:04:30,059 INFO L78 Accepts]: Start accepts. Automaton has 2758 states and 3772 transitions. Word has length 53 [2024-11-20 11:04:30,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:04:30,059 INFO L471 AbstractCegarLoop]: Abstraction has 2758 states and 3772 transitions. [2024-11-20 11:04:30,060 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) [2024-11-20 11:04:30,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3772 transitions. [2024-11-20 11:04:30,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-20 11:04:30,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:04:30,063 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] [2024-11-20 11:04:30,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-20 11:04:30,264 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 [2024-11-20 11:04:30,264 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:04:30,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:04:30,265 INFO L85 PathProgramCache]: Analyzing trace with hash -890061604, now seen corresponding path program 1 times [2024-11-20 11:04:30,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:04:30,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848381601] [2024-11-20 11:04:30,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:30,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:04:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:31,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 11:04:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:31,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 11:04:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:31,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 11:04:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:31,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 11:04:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:31,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 11:04:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:04:31,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:04:31,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848381601] [2024-11-20 11:04:31,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848381601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:04:31,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130720522] [2024-11-20 11:04:31,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:31,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:04:31,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:04:31,264 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) [2024-11-20 11:04:31,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 11:04:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:32,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 11:04:32,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:04:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 11:04:32,848 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:04:32,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130720522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:04:32,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:04:32,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-20 11:04:32,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535533053] [2024-11-20 11:04:32,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:04:32,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:04:32,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:04:32,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:04:32,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:04:32,850 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) [2024-11-20 11:04:33,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:04:33,160 INFO L93 Difference]: Finished difference Result 7059 states and 9620 transitions. [2024-11-20 11:04:33,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:04:33,161 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 [2024-11-20 11:04:33,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:04:33,187 INFO L225 Difference]: With dead ends: 7059 [2024-11-20 11:04:33,187 INFO L226 Difference]: Without dead ends: 4304 [2024-11-20 11:04:33,201 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 [2024-11-20 11:04:33,201 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 [2024-11-20 11:04:33,202 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] [2024-11-20 11:04:33,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4304 states. [2024-11-20 11:04:33,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4304 to 4301. [2024-11-20 11:04:33,428 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) [2024-11-20 11:04:33,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 4301 states and 5837 transitions. [2024-11-20 11:04:33,450 INFO L78 Accepts]: Start accepts. Automaton has 4301 states and 5837 transitions. Word has length 71 [2024-11-20 11:04:33,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:04:33,451 INFO L471 AbstractCegarLoop]: Abstraction has 4301 states and 5837 transitions. [2024-11-20 11:04:33,451 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) [2024-11-20 11:04:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 4301 states and 5837 transitions. [2024-11-20 11:04:33,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-20 11:04:33,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:04:33,460 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] [2024-11-20 11:04:33,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-20 11:04:33,661 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 [2024-11-20 11:04:33,661 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:04:33,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:04:33,662 INFO L85 PathProgramCache]: Analyzing trace with hash 596748283, now seen corresponding path program 1 times [2024-11-20 11:04:33,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:04:33,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463984696] [2024-11-20 11:04:33,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:33,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:04:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:34,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 11:04:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:34,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 11:04:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:34,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 11:04:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:34,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 11:04:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:34,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 11:04:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:34,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 11:04:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:35,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:35,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:35,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:35,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:04:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:35,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 11:04:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:35,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:35,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:35,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:04:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:35,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 11:04:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:35,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:04:35,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:04:35,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463984696] [2024-11-20 11:04:35,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463984696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:04:35,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280387758] [2024-11-20 11:04:35,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:35,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:04:35,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:04:35,162 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) [2024-11-20 11:04:35,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 11:04:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:36,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 3750 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 11:04:36,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:04:36,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 11:04:36,894 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:04:36,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280387758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:04:36,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:04:36,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2024-11-20 11:04:36,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360332057] [2024-11-20 11:04:36,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:04:36,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:04:36,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:04:36,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:04:36,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-20 11:04:36,896 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) [2024-11-20 11:04:37,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:04:37,141 INFO L93 Difference]: Finished difference Result 8611 states and 11923 transitions. [2024-11-20 11:04:37,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:04:37,141 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 [2024-11-20 11:04:37,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:04:37,231 INFO L225 Difference]: With dead ends: 8611 [2024-11-20 11:04:37,232 INFO L226 Difference]: Without dead ends: 4313 [2024-11-20 11:04:37,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-20 11:04:37,251 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 [2024-11-20 11:04:37,251 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] [2024-11-20 11:04:37,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4313 states. [2024-11-20 11:04:37,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4313 to 4313. [2024-11-20 11:04:37,474 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) [2024-11-20 11:04:37,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4313 states to 4313 states and 5849 transitions. [2024-11-20 11:04:37,498 INFO L78 Accepts]: Start accepts. Automaton has 4313 states and 5849 transitions. Word has length 134 [2024-11-20 11:04:37,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:04:37,499 INFO L471 AbstractCegarLoop]: Abstraction has 4313 states and 5849 transitions. [2024-11-20 11:04:37,499 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) [2024-11-20 11:04:37,499 INFO L276 IsEmpty]: Start isEmpty. Operand 4313 states and 5849 transitions. [2024-11-20 11:04:37,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-20 11:04:37,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:04:37,504 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] [2024-11-20 11:04:37,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-20 11:04:37,704 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 [2024-11-20 11:04:37,705 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:04:37,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:04:37,706 INFO L85 PathProgramCache]: Analyzing trace with hash 317009185, now seen corresponding path program 1 times [2024-11-20 11:04:37,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:04:37,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951484608] [2024-11-20 11:04:37,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:37,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:04:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:38,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 11:04:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:38,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 11:04:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:38,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 11:04:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:38,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 11:04:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:38,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 11:04:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:38,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 11:04:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:38,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:39,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:39,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:39,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:04:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:39,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 11:04:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:39,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:39,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:39,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 11:04:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:39,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 11:04:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:39,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:04:39,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:04:39,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951484608] [2024-11-20 11:04:39,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951484608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:04:39,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864664751] [2024-11-20 11:04:39,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:39,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:04:39,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:04:39,287 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) [2024-11-20 11:04:39,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 11:04:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:41,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 3755 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 11:04:41,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:04:41,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 11:04:41,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:04:41,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864664751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:04:41,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:04:41,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-11-20 11:04:41,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590011559] [2024-11-20 11:04:41,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:04:41,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:04:41,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:04:41,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:04:41,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-20 11:04:41,050 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) [2024-11-20 11:04:41,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:04:41,286 INFO L93 Difference]: Finished difference Result 8647 states and 11851 transitions. [2024-11-20 11:04:41,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:04:41,287 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 [2024-11-20 11:04:41,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:04:41,312 INFO L225 Difference]: With dead ends: 8647 [2024-11-20 11:04:41,312 INFO L226 Difference]: Without dead ends: 4337 [2024-11-20 11:04:41,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-20 11:04:41,335 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 [2024-11-20 11:04:41,335 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] [2024-11-20 11:04:41,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4337 states. [2024-11-20 11:04:41,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4337 to 4325. [2024-11-20 11:04:41,645 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) [2024-11-20 11:04:41,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 4325 states and 5861 transitions. [2024-11-20 11:04:41,674 INFO L78 Accepts]: Start accepts. Automaton has 4325 states and 5861 transitions. Word has length 135 [2024-11-20 11:04:41,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:04:41,675 INFO L471 AbstractCegarLoop]: Abstraction has 4325 states and 5861 transitions. [2024-11-20 11:04:41,675 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) [2024-11-20 11:04:41,675 INFO L276 IsEmpty]: Start isEmpty. Operand 4325 states and 5861 transitions. [2024-11-20 11:04:41,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 11:04:41,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:04:41,683 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] [2024-11-20 11:04:41,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-20 11:04:41,883 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 [2024-11-20 11:04:41,884 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:04:41,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:04:41,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1303663095, now seen corresponding path program 1 times [2024-11-20 11:04:41,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:04:41,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975870877] [2024-11-20 11:04:41,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:41,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:04:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:42,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 11:04:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:42,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 11:04:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 11:04:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 11:04:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 11:04:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 11:04:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:04:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 11:04:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 11:04:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 11:04:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:04:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:04:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 11:04:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:04:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 11:04:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 11:04:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:04:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-20 11:04:43,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:04:43,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975870877] [2024-11-20 11:04:43,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975870877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:04:43,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213142842] [2024-11-20 11:04:43,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:04:43,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:04:43,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:04:43,765 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) [2024-11-20 11:04:43,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process