./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:10:33,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:10:33,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:10:33,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:10:33,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:10:34,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:10:34,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:10:34,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:10:34,003 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:10:34,004 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:10:34,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:10:34,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:10:34,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:10:34,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:10:34,006 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:10:34,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:10:34,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:10:34,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:10:34,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:10:34,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:10:34,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:10:34,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:10:34,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:10:34,008 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:10:34,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:10:34,008 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:10:34,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:10:34,008 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:10:34,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:10:34,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:10:34,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:10:34,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:10:34,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:10:34,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:10:34,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:10:34,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:10:34,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:10:34,011 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:10:34,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:10:34,011 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:10:34,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:10:34,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:10:34,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:10:34,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:10:34,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:10:34,012 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 [2024-11-24 01:10:34,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:10:34,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:10:34,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:10:34,397 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:10:34,398 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:10:34,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-11-24 01:10:37,448 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/data/942dc5d88/3dcf17ca33b94d1191cf5565ef659eea/FLAGf38cfc9a0 [2024-11-24 01:10:38,045 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:10:38,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-11-24 01:10:38,090 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/data/942dc5d88/3dcf17ca33b94d1191cf5565ef659eea/FLAGf38cfc9a0 [2024-11-24 01:10:38,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/data/942dc5d88/3dcf17ca33b94d1191cf5565ef659eea [2024-11-24 01:10:38,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:10:38,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:10:38,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:10:38,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:10:38,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:10:38,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:10:38" (1/1) ... [2024-11-24 01:10:38,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc67858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:38, skipping insertion in model container [2024-11-24 01:10:38,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:10:38" (1/1) ... [2024-11-24 01:10:38,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:10:39,358 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2024-11-24 01:10:39,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:10:39,540 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:10:39,894 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2024-11-24 01:10:39,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:10:40,096 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:10:40,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40 WrapperNode [2024-11-24 01:10:40,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:10:40,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:10:40,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:10:40,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:10:40,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (1/1) ... [2024-11-24 01:10:40,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (1/1) ... [2024-11-24 01:10:40,424 INFO L138 Inliner]: procedures = 167, calls = 3358, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 4474 [2024-11-24 01:10:40,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:10:40,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:10:40,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:10:40,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:10:40,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (1/1) ... [2024-11-24 01:10:40,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (1/1) ... [2024-11-24 01:10:40,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (1/1) ... [2024-11-24 01:10:40,678 INFO L175 MemorySlicer]: Split 2952 memory accesses to 19 slices as follows [2, 2, 13, 2, 13, 138, 4, 13, 6, 5, 24, 2, 33, 7, 6, 20, 9, 14, 2639]. 89 percent of accesses are in the largest equivalence class. The 2525 initializations are split as follows [2, 0, 13, 0, 13, 0, 4, 0, 6, 5, 0, 0, 24, 4, 0, 20, 0, 14, 2420]. The 294 writes are split as follows [0, 0, 0, 0, 0, 136, 0, 9, 0, 0, 24, 0, 0, 0, 5, 0, 0, 0, 120]. [2024-11-24 01:10:40,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (1/1) ... [2024-11-24 01:10:40,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (1/1) ... [2024-11-24 01:10:40,834 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (1/1) ... [2024-11-24 01:10:40,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (1/1) ... [2024-11-24 01:10:40,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (1/1) ... [2024-11-24 01:10:40,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (1/1) ... [2024-11-24 01:10:40,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (1/1) ... [2024-11-24 01:10:40,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:10:40,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:10:40,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:10:40,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:10:40,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (1/1) ... [2024-11-24 01:10:40,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:10:40,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:10:40,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:10:41,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:10:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2024-11-24 01:10:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2024-11-24 01:10:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-24 01:10:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-24 01:10:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-24 01:10:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-24 01:10:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2024-11-24 01:10:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2024-11-24 01:10:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-24 01:10:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-24 01:10:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-24 01:10:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-24 01:10:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:10:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:10:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:10:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:10:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:10:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:10:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:10:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:10:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:10:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:10:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:10:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:10:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:10:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:10:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 01:10:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 01:10:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 01:10:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 01:10:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 01:10:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2024-11-24 01:10:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2024-11-24 01:10:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2024-11-24 01:10:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2024-11-24 01:10:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 01:10:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 01:10:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 01:10:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 01:10:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:10:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 01:10:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 01:10:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 01:10:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 01:10:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 01:10:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2024-11-24 01:10:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2024-11-24 01:10:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-24 01:10:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-24 01:10:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:10:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:10:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:10:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:10:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:10:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:10:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:10:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:10:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:10:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:10:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:10:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:10:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:10:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-24 01:10:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-24 01:10:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-24 01:10:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-24 01:10:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-24 01:10:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-24 01:10:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-24 01:10:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-24 01:10:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-24 01:10:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-24 01:10:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-24 01:10:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:10:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:10:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-11-24 01:10:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-11-24 01:10:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2024-11-24 01:10:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2024-11-24 01:10:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2024-11-24 01:10:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2024-11-24 01:10:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:10:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:10:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:10:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:10:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:10:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:10:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:10:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:10:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:10:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:10:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:10:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:10:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:10:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:10:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:10:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 01:10:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 01:10:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 01:10:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 01:10:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-24 01:10:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-24 01:10:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2024-11-24 01:10:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2024-11-24 01:10:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 01:10:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 01:10:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2024-11-24 01:10:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2024-11-24 01:10:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:10:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2024-11-24 01:10:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2024-11-24 01:10:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-24 01:10:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-24 01:10:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2024-11-24 01:10:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2024-11-24 01:10:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-24 01:10:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-24 01:10:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2024-11-24 01:10:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2024-11-24 01:10:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2024-11-24 01:10:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2024-11-24 01:10:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:10:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2024-11-24 01:10:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2024-11-24 01:10:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2024-11-24 01:10:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2024-11-24 01:10:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2024-11-24 01:10:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2024-11-24 01:10:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 01:10:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 01:10:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:10:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:10:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:10:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:10:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:10:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:10:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:10:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:10:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:10:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:10:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:10:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:10:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:10:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2024-11-24 01:10:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2024-11-24 01:10:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:10:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-24 01:10:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2024-11-24 01:10:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2024-11-24 01:10:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2024-11-24 01:10:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2024-11-24 01:10:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:10:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-24 01:10:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-24 01:10:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:10:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-24 01:10:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2024-11-24 01:10:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2024-11-24 01:10:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-24 01:10:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-24 01:10:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-24 01:10:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-24 01:10:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-11-24 01:10:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-11-24 01:10:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2024-11-24 01:10:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2024-11-24 01:10:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:10:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:10:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2024-11-24 01:10:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 01:10:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:10:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:10:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2024-11-24 01:10:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2024-11-24 01:10:41,930 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:10:41,935 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:10:59,905 INFO L? ?]: Removed 969 outVars from TransFormulas that were not future-live. [2024-11-24 01:10:59,906 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:10:59,955 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:10:59,955 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-24 01:10:59,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:10:59 BoogieIcfgContainer [2024-11-24 01:10:59,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:10:59,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:10:59,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:10:59,971 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:10:59,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:10:38" (1/3) ... [2024-11-24 01:10:59,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d656627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:10:59, skipping insertion in model container [2024-11-24 01:10:59,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:40" (2/3) ... [2024-11-24 01:10:59,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d656627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:10:59, skipping insertion in model container [2024-11-24 01:10:59,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:10:59" (3/3) ... [2024-11-24 01:10:59,976 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-11-24 01:11:00,003 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:11:00,007 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i that has 66 procedures, 935 locations, 1 initial locations, 40 loop locations, and 1 error locations. [2024-11-24 01:11:00,110 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:11:00,125 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;@199f16a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:11:00,126 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:11:00,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 845 states, 626 states have (on average 1.3865814696485623) internal successors, (868), 650 states have internal predecessors, (868), 175 states have call successors, (175), 47 states have call predecessors, (175), 47 states have return successors, (175), 170 states have call predecessors, (175), 175 states have call successors, (175) [2024-11-24 01:11:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 01:11:00,153 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:00,153 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:00,154 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:11:00,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:00,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1262205425, now seen corresponding path program 1 times [2024-11-24 01:11:00,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:00,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185924407] [2024-11-24 01:11:00,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:00,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:11:04,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:04,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185924407] [2024-11-24 01:11:04,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185924407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:04,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:04,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:11:04,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628208141] [2024-11-24 01:11:04,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:04,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:11:04,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:04,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:11:04,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:11:04,553 INFO L87 Difference]: Start difference. First operand has 845 states, 626 states have (on average 1.3865814696485623) internal successors, (868), 650 states have internal predecessors, (868), 175 states have call successors, (175), 47 states have call predecessors, (175), 47 states have return successors, (175), 170 states have call predecessors, (175), 175 states have call successors, (175) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:11:05,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:05,157 INFO L93 Difference]: Finished difference Result 2426 states and 3587 transitions. [2024-11-24 01:11:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:11:05,159 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 [2024-11-24 01:11:05,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:05,205 INFO L225 Difference]: With dead ends: 2426 [2024-11-24 01:11:05,205 INFO L226 Difference]: Without dead ends: 1576 [2024-11-24 01:11:05,218 INFO L434 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 [2024-11-24 01:11:05,223 INFO L435 NwaCegarLoop]: 1191 mSDtfsCounter, 1071 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 2340 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:05,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 2340 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:11:05,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2024-11-24 01:11:05,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1564. [2024-11-24 01:11:05,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1159 states have (on average 1.377911993097498) internal successors, (1597), 1191 states have internal predecessors, (1597), 318 states have call successors, (318), 87 states have call predecessors, (318), 86 states have return successors, (312), 301 states have call predecessors, (312), 312 states have call successors, (312) [2024-11-24 01:11:05,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2227 transitions. [2024-11-24 01:11:05,420 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2227 transitions. Word has length 16 [2024-11-24 01:11:05,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:05,421 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2227 transitions. [2024-11-24 01:11:05,421 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) [2024-11-24 01:11:05,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2227 transitions. [2024-11-24 01:11:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 01:11:05,426 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:05,426 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:05,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:11:05,427 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:11:05,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:05,427 INFO L85 PathProgramCache]: Analyzing trace with hash -293872518, now seen corresponding path program 1 times [2024-11-24 01:11:05,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:05,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805968273] [2024-11-24 01:11:05,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:05,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:08,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:11:08,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:08,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805968273] [2024-11-24 01:11:08,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805968273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:08,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:08,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:11:08,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065167678] [2024-11-24 01:11:08,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:08,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:11:08,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:08,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:11:08,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:11:08,655 INFO L87 Difference]: Start difference. First operand 1564 states and 2227 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) [2024-11-24 01:11:08,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:08,789 INFO L93 Difference]: Finished difference Result 3125 states and 4451 transitions. [2024-11-24 01:11:08,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:11:08,790 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 [2024-11-24 01:11:08,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:08,809 INFO L225 Difference]: With dead ends: 3125 [2024-11-24 01:11:08,809 INFO L226 Difference]: Without dead ends: 1564 [2024-11-24 01:11:08,817 INFO L434 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 [2024-11-24 01:11:08,818 INFO L435 NwaCegarLoop]: 1167 mSDtfsCounter, 1158 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 1167 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 [2024-11-24 01:11:08,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1158 Valid, 1167 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:11:08,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2024-11-24 01:11:08,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1564. [2024-11-24 01:11:08,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1159 states have (on average 1.3761863675582398) internal successors, (1595), 1191 states have internal predecessors, (1595), 318 states have call successors, (318), 87 states have call predecessors, (318), 86 states have return successors, (312), 301 states have call predecessors, (312), 312 states have call successors, (312) [2024-11-24 01:11:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2225 transitions. [2024-11-24 01:11:08,950 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2225 transitions. Word has length 18 [2024-11-24 01:11:08,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:08,951 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2225 transitions. [2024-11-24 01:11:08,951 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) [2024-11-24 01:11:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2225 transitions. [2024-11-24 01:11:08,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 01:11:08,959 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:08,959 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:08,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:11:08,960 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:11:08,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:08,960 INFO L85 PathProgramCache]: Analyzing trace with hash -734034344, now seen corresponding path program 1 times [2024-11-24 01:11:08,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:08,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315698347] [2024-11-24 01:11:08,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:08,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:11,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:11:11,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:11,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315698347] [2024-11-24 01:11:11,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315698347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:11,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:11,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:11:11,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082387044] [2024-11-24 01:11:11,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:11,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:11:11,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:11,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:11:11,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:11:11,898 INFO L87 Difference]: Start difference. First operand 1564 states and 2225 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:11:16,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:11:16,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:16,360 INFO L93 Difference]: Finished difference Result 4307 states and 6124 transitions. [2024-11-24 01:11:16,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:11:16,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-24 01:11:16,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:16,385 INFO L225 Difference]: With dead ends: 4307 [2024-11-24 01:11:16,385 INFO L226 Difference]: Without dead ends: 2746 [2024-11-24 01:11:16,394 INFO L434 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 [2024-11-24 01:11:16,396 INFO L435 NwaCegarLoop]: 1287 mSDtfsCounter, 1124 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 2198 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:16,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 2198 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-24 01:11:16,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2024-11-24 01:11:16,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 2720. [2024-11-24 01:11:16,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2720 states, 1981 states have (on average 1.375567895002524) internal successors, (2725), 2038 states have internal predecessors, (2725), 575 states have call successors, (575), 164 states have call predecessors, (575), 163 states have return successors, (569), 549 states have call predecessors, (569), 569 states have call successors, (569) [2024-11-24 01:11:16,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2720 states and 3869 transitions. [2024-11-24 01:11:16,585 INFO L78 Accepts]: Start accepts. Automaton has 2720 states and 3869 transitions. Word has length 21 [2024-11-24 01:11:16,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:16,585 INFO L471 AbstractCegarLoop]: Abstraction has 2720 states and 3869 transitions. [2024-11-24 01:11:16,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:11:16,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3869 transitions. [2024-11-24 01:11:16,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-24 01:11:16,589 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:16,589 INFO L218 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] [2024-11-24 01:11:16,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:11:16,589 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:11:16,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:16,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1607204849, now seen corresponding path program 1 times [2024-11-24 01:11:16,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:16,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009852446] [2024-11-24 01:11:16,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:16,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:11:19,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:19,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009852446] [2024-11-24 01:11:19,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009852446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:19,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:19,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:11:19,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866676855] [2024-11-24 01:11:19,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:19,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:11:19,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:19,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:11:19,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:11:19,789 INFO L87 Difference]: Start difference. First operand 2720 states and 3869 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) [2024-11-24 01:11:20,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:20,436 INFO L93 Difference]: Finished difference Result 5457 states and 7765 transitions. [2024-11-24 01:11:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:11:20,439 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 [2024-11-24 01:11:20,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:20,463 INFO L225 Difference]: With dead ends: 5457 [2024-11-24 01:11:20,463 INFO L226 Difference]: Without dead ends: 2740 [2024-11-24 01:11:20,475 INFO L434 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 [2024-11-24 01:11:20,477 INFO L435 NwaCegarLoop]: 1164 mSDtfsCounter, 13 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2325 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:20,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2325 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:11:20,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2024-11-24 01:11:20,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 2722. [2024-11-24 01:11:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 1983 states have (on average 1.3751891074130105) internal successors, (2727), 2040 states have internal predecessors, (2727), 575 states have call successors, (575), 164 states have call predecessors, (575), 163 states have return successors, (569), 549 states have call predecessors, (569), 569 states have call successors, (569) [2024-11-24 01:11:20,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3871 transitions. [2024-11-24 01:11:20,630 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3871 transitions. Word has length 30 [2024-11-24 01:11:20,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:20,630 INFO L471 AbstractCegarLoop]: Abstraction has 2722 states and 3871 transitions. [2024-11-24 01:11:20,630 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) [2024-11-24 01:11:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3871 transitions. [2024-11-24 01:11:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 01:11:20,633 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:20,634 INFO L218 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] [2024-11-24 01:11:20,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:11:20,636 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:11:20,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:20,637 INFO L85 PathProgramCache]: Analyzing trace with hash -654834728, now seen corresponding path program 1 times [2024-11-24 01:11:20,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:20,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603652432] [2024-11-24 01:11:20,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:20,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:24,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:11:24,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:24,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603652432] [2024-11-24 01:11:24,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603652432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:11:24,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672612359] [2024-11-24 01:11:24,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:24,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:24,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:24,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:11:24,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:11:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:27,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 6664 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:11:27,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:11:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 01:11:27,964 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:11:27,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672612359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:27,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:11:27,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-24 01:11:27,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804848693] [2024-11-24 01:11:27,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:27,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:11:27,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:27,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:11:27,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:27,966 INFO L87 Difference]: Start difference. First operand 2722 states and 3871 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) [2024-11-24 01:11:28,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:28,183 INFO L93 Difference]: Finished difference Result 5475 states and 7793 transitions. [2024-11-24 01:11:28,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:11:28,184 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 [2024-11-24 01:11:28,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:28,205 INFO L225 Difference]: With dead ends: 5475 [2024-11-24 01:11:28,205 INFO L226 Difference]: Without dead ends: 2756 [2024-11-24 01:11:28,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:28,218 INFO L435 NwaCegarLoop]: 1172 mSDtfsCounter, 15 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2330 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 [2024-11-24 01:11:28,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2330 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:11:28,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2024-11-24 01:11:28,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2726. [2024-11-24 01:11:28,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 1987 states have (on average 1.3744338198288877) internal successors, (2731), 2044 states have internal predecessors, (2731), 575 states have call successors, (575), 164 states have call predecessors, (575), 163 states have return successors, (569), 549 states have call predecessors, (569), 569 states have call successors, (569) [2024-11-24 01:11:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3875 transitions. [2024-11-24 01:11:28,368 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3875 transitions. Word has length 34 [2024-11-24 01:11:28,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:28,369 INFO L471 AbstractCegarLoop]: Abstraction has 2726 states and 3875 transitions. [2024-11-24 01:11:28,369 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) [2024-11-24 01:11:28,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3875 transitions. [2024-11-24 01:11:28,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 01:11:28,373 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:28,373 INFO L218 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] [2024-11-24 01:11:28,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:11:28,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:28,574 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:11:28,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:28,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1950105982, now seen corresponding path program 1 times [2024-11-24 01:11:28,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:28,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989063018] [2024-11-24 01:11:28,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:28,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:31,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:11:31,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:31,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989063018] [2024-11-24 01:11:31,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989063018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:11:31,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419863778] [2024-11-24 01:11:31,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:31,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:31,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:31,422 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:11:31,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:11:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:35,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 6739 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:11:35,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:11:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 01:11:35,366 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:11:35,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419863778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:35,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:11:35,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-24 01:11:35,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173637695] [2024-11-24 01:11:35,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:35,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:11:35,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:35,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:11:35,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:35,369 INFO L87 Difference]: Start difference. First operand 2726 states and 3875 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) [2024-11-24 01:11:35,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:35,542 INFO L93 Difference]: Finished difference Result 5477 states and 7793 transitions. [2024-11-24 01:11:35,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:11:35,543 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 [2024-11-24 01:11:35,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:35,566 INFO L225 Difference]: With dead ends: 5477 [2024-11-24 01:11:35,566 INFO L226 Difference]: Without dead ends: 2754 [2024-11-24 01:11:35,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:35,580 INFO L435 NwaCegarLoop]: 1165 mSDtfsCounter, 21 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2313 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:35,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2313 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:11:35,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2024-11-24 01:11:35,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 2754. [2024-11-24 01:11:35,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 2009 states have (on average 1.375311100049776) internal successors, (2763), 2066 states have internal predecessors, (2763), 581 states have call successors, (581), 164 states have call predecessors, (581), 163 states have return successors, (575), 555 states have call predecessors, (575), 575 states have call successors, (575) [2024-11-24 01:11:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3919 transitions. [2024-11-24 01:11:35,739 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3919 transitions. Word has length 39 [2024-11-24 01:11:35,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:35,740 INFO L471 AbstractCegarLoop]: Abstraction has 2754 states and 3919 transitions. [2024-11-24 01:11:35,741 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) [2024-11-24 01:11:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3919 transitions. [2024-11-24 01:11:35,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-24 01:11:35,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:35,749 INFO L218 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] [2024-11-24 01:11:35,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:11:35,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:35,950 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:11:35,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:35,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1616305667, now seen corresponding path program 1 times [2024-11-24 01:11:35,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:35,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641196347] [2024-11-24 01:11:35,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:35,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:39,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:11:39,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:39,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641196347] [2024-11-24 01:11:39,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641196347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:11:39,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387821856] [2024-11-24 01:11:39,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:39,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:39,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:39,102 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:11:39,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:11:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:42,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 6827 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:11:42,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:11:42,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 01:11:42,879 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:11:42,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387821856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:42,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:11:42,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-24 01:11:42,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324866544] [2024-11-24 01:11:42,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:42,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:11:42,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:42,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:11:42,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:42,881 INFO L87 Difference]: Start difference. First operand 2754 states and 3919 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) [2024-11-24 01:11:43,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:43,034 INFO L93 Difference]: Finished difference Result 5507 states and 7839 transitions. [2024-11-24 01:11:43,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:11:43,035 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 [2024-11-24 01:11:43,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:43,057 INFO L225 Difference]: With dead ends: 5507 [2024-11-24 01:11:43,057 INFO L226 Difference]: Without dead ends: 2756 [2024-11-24 01:11:43,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:43,068 INFO L435 NwaCegarLoop]: 1167 mSDtfsCounter, 0 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2328 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:43,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2328 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:11:43,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2024-11-24 01:11:43,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2756. [2024-11-24 01:11:43,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 2011 states have (on average 1.3749378418697165) internal successors, (2765), 2068 states have internal predecessors, (2765), 581 states have call successors, (581), 164 states have call predecessors, (581), 163 states have return successors, (575), 555 states have call predecessors, (575), 575 states have call successors, (575) [2024-11-24 01:11:43,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3921 transitions. [2024-11-24 01:11:43,237 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3921 transitions. Word has length 50 [2024-11-24 01:11:43,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:43,237 INFO L471 AbstractCegarLoop]: Abstraction has 2756 states and 3921 transitions. [2024-11-24 01:11:43,238 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) [2024-11-24 01:11:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3921 transitions. [2024-11-24 01:11:43,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-24 01:11:43,243 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:43,243 INFO L218 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] [2024-11-24 01:11:43,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 01:11:43,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:43,444 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:11:43,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:43,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1358140229, now seen corresponding path program 1 times [2024-11-24 01:11:43,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:43,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279332926] [2024-11-24 01:11:43,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:43,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:46,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:11:46,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:46,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279332926] [2024-11-24 01:11:46,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279332926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:11:46,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000347190] [2024-11-24 01:11:46,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:46,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:46,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:46,370 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:11:46,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:11:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:50,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 6832 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:11:50,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:11:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 01:11:50,215 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:11:50,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000347190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:50,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:11:50,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-24 01:11:50,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717301991] [2024-11-24 01:11:50,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:50,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:11:50,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:50,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:11:50,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:50,216 INFO L87 Difference]: Start difference. First operand 2756 states and 3921 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) [2024-11-24 01:11:50,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:50,522 INFO L93 Difference]: Finished difference Result 2778 states and 3947 transitions. [2024-11-24 01:11:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:11:50,523 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 [2024-11-24 01:11:50,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:50,546 INFO L225 Difference]: With dead ends: 2778 [2024-11-24 01:11:50,546 INFO L226 Difference]: Without dead ends: 2767 [2024-11-24 01:11:50,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:50,549 INFO L435 NwaCegarLoop]: 1180 mSDtfsCounter, 1163 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:50,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 1193 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:11:50,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2024-11-24 01:11:50,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 2756. [2024-11-24 01:11:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 2011 states have (on average 1.374440576827449) internal successors, (2764), 2068 states have internal predecessors, (2764), 581 states have call successors, (581), 164 states have call predecessors, (581), 163 states have return successors, (575), 555 states have call predecessors, (575), 575 states have call successors, (575) [2024-11-24 01:11:50,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3920 transitions. [2024-11-24 01:11:50,717 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3920 transitions. Word has length 50 [2024-11-24 01:11:50,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:50,717 INFO L471 AbstractCegarLoop]: Abstraction has 2756 states and 3920 transitions. [2024-11-24 01:11:50,718 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) [2024-11-24 01:11:50,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3920 transitions. [2024-11-24 01:11:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-24 01:11:50,721 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:50,721 INFO L218 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] [2024-11-24 01:11:50,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 01:11:50,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:50,922 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:11:50,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:50,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1415398531, now seen corresponding path program 1 times [2024-11-24 01:11:50,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:50,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584416845] [2024-11-24 01:11:50,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:50,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:11:53,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:53,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584416845] [2024-11-24 01:11:53,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584416845] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:11:53,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4394952] [2024-11-24 01:11:53,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:53,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:53,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:53,963 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:11:53,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 01:11:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:57,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 6823 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:11:57,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:11:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 01:11:58,309 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:11:58,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4394952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:58,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:11:58,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-24 01:11:58,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464575652] [2024-11-24 01:11:58,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:58,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:11:58,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:58,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:11:58,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:58,311 INFO L87 Difference]: Start difference. First operand 2756 states and 3920 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) [2024-11-24 01:12:02,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:12:02,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:12:02,555 INFO L93 Difference]: Finished difference Result 2758 states and 3921 transitions. [2024-11-24 01:12:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:12:02,555 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 [2024-11-24 01:12:02,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:12:02,574 INFO L225 Difference]: With dead ends: 2758 [2024-11-24 01:12:02,574 INFO L226 Difference]: Without dead ends: 2755 [2024-11-24 01:12:02,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:12:02,577 INFO L435 NwaCegarLoop]: 1165 mSDtfsCounter, 1119 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:12:02,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 1165 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-24 01:12:02,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2024-11-24 01:12:02,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2755. [2024-11-24 01:12:02,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2755 states, 2011 states have (on average 1.3739433117851816) internal successors, (2763), 2067 states have internal predecessors, (2763), 580 states have call successors, (580), 164 states have call predecessors, (580), 163 states have return successors, (575), 555 states have call predecessors, (575), 575 states have call successors, (575) [2024-11-24 01:12:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3918 transitions. [2024-11-24 01:12:02,938 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3918 transitions. Word has length 50 [2024-11-24 01:12:02,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:12:02,940 INFO L471 AbstractCegarLoop]: Abstraction has 2755 states and 3918 transitions. [2024-11-24 01:12:02,941 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) [2024-11-24 01:12:02,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3918 transitions. [2024-11-24 01:12:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-24 01:12:02,944 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:02,944 INFO L218 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] [2024-11-24 01:12:02,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 01:12:03,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-24 01:12:03,146 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:12:03,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:03,148 INFO L85 PathProgramCache]: Analyzing trace with hash 927342379, now seen corresponding path program 1 times [2024-11-24 01:12:03,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:03,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31258673] [2024-11-24 01:12:03,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:03,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:12:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:05,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:12:05,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:12:05,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31258673] [2024-11-24 01:12:05,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31258673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:12:05,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402181249] [2024-11-24 01:12:05,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:05,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:05,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:12:05,649 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:12:05,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 01:12:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:10,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 6825 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:12:10,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:12:10,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 01:12:10,669 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:12:10,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402181249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:12:10,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:12:10,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-24 01:12:10,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65168210] [2024-11-24 01:12:10,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:12:10,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:12:10,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:12:10,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:12:10,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:12:10,671 INFO L87 Difference]: Start difference. First operand 2755 states and 3918 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) [2024-11-24 01:12:14,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:12:15,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:12:15,035 INFO L93 Difference]: Finished difference Result 2757 states and 3919 transitions. [2024-11-24 01:12:15,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:12:15,036 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 [2024-11-24 01:12:15,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:12:15,055 INFO L225 Difference]: With dead ends: 2757 [2024-11-24 01:12:15,055 INFO L226 Difference]: Without dead ends: 2754 [2024-11-24 01:12:15,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:12:15,059 INFO L435 NwaCegarLoop]: 1163 mSDtfsCounter, 1116 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1116 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:12:15,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1116 Valid, 1163 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 01:12:15,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2024-11-24 01:12:15,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 2754. [2024-11-24 01:12:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 2011 states have (on average 1.373446046742914) internal successors, (2762), 2066 states have internal predecessors, (2762), 579 states have call successors, (579), 164 states have call predecessors, (579), 163 states have return successors, (575), 555 states have call predecessors, (575), 575 states have call successors, (575) [2024-11-24 01:12:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3916 transitions. [2024-11-24 01:12:15,248 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3916 transitions. Word has length 51 [2024-11-24 01:12:15,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:12:15,249 INFO L471 AbstractCegarLoop]: Abstraction has 2754 states and 3916 transitions. [2024-11-24 01:12:15,249 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) [2024-11-24 01:12:15,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3916 transitions. [2024-11-24 01:12:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-24 01:12:15,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:15,253 INFO L218 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] [2024-11-24 01:12:15,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-24 01:12:15,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-24 01:12:15,454 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:12:15,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:15,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1317491578, now seen corresponding path program 1 times [2024-11-24 01:12:15,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:15,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106300232] [2024-11-24 01:12:15,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:15,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:12:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:19,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:12:19,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:12:19,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106300232] [2024-11-24 01:12:19,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106300232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:12:19,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038299346] [2024-11-24 01:12:19,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:19,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:19,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:12:19,200 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:12:19,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 01:12:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:24,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 6827 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:12:24,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:12:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 01:12:24,529 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:12:24,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038299346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:12:24,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:12:24,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-24 01:12:24,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820031726] [2024-11-24 01:12:24,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:12:24,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:12:24,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:12:24,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:12:24,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:12:24,531 INFO L87 Difference]: Start difference. First operand 2754 states and 3916 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) [2024-11-24 01:12:28,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:12:28,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:12:28,814 INFO L93 Difference]: Finished difference Result 2756 states and 3917 transitions. [2024-11-24 01:12:28,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:12:28,814 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 [2024-11-24 01:12:28,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:12:28,836 INFO L225 Difference]: With dead ends: 2756 [2024-11-24 01:12:28,836 INFO L226 Difference]: Without dead ends: 2753 [2024-11-24 01:12:28,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:12:28,840 INFO L435 NwaCegarLoop]: 1161 mSDtfsCounter, 1113 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:12:28,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 1161 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 01:12:28,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2024-11-24 01:12:29,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 2753. [2024-11-24 01:12:29,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2753 states, 2011 states have (on average 1.3729487817006465) internal successors, (2761), 2065 states have internal predecessors, (2761), 578 states have call successors, (578), 164 states have call predecessors, (578), 163 states have return successors, (575), 555 states have call predecessors, (575), 575 states have call successors, (575) [2024-11-24 01:12:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 3914 transitions. [2024-11-24 01:12:29,039 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 3914 transitions. Word has length 52 [2024-11-24 01:12:29,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:12:29,040 INFO L471 AbstractCegarLoop]: Abstraction has 2753 states and 3914 transitions. [2024-11-24 01:12:29,040 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) [2024-11-24 01:12:29,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3914 transitions. [2024-11-24 01:12:29,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-24 01:12:29,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:29,043 INFO L218 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] [2024-11-24 01:12:29,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-24 01:12:29,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-24 01:12:29,245 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:12:29,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:29,245 INFO L85 PathProgramCache]: Analyzing trace with hash 2107104654, now seen corresponding path program 1 times [2024-11-24 01:12:29,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:29,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898298814] [2024-11-24 01:12:29,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:29,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:12:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:12:33,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:12:33,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898298814] [2024-11-24 01:12:33,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898298814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:12:33,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869670447] [2024-11-24 01:12:33,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:33,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:33,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:12:33,347 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:12:33,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-24 01:12:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:37,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 6829 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:12:37,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:12:37,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 01:12:37,625 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:12:37,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869670447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:12:37,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:12:37,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-24 01:12:37,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081391483] [2024-11-24 01:12:37,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:12:37,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:12:37,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:12:37,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:12:37,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:12:37,627 INFO L87 Difference]: Start difference. First operand 2753 states and 3914 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) [2024-11-24 01:12:41,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:12:41,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:12:41,871 INFO L93 Difference]: Finished difference Result 2755 states and 3915 transitions. [2024-11-24 01:12:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:12:41,872 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 [2024-11-24 01:12:41,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:12:41,887 INFO L225 Difference]: With dead ends: 2755 [2024-11-24 01:12:41,887 INFO L226 Difference]: Without dead ends: 2723 [2024-11-24 01:12:41,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:12:41,890 INFO L435 NwaCegarLoop]: 1157 mSDtfsCounter, 1080 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1181 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 [2024-11-24 01:12:41,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1181 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-24 01:12:41,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2024-11-24 01:12:42,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2723. [2024-11-24 01:12:42,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2723 states, 1989 states have (on average 1.3730517848164907) internal successors, (2731), 2041 states have internal predecessors, (2731), 573 states have call successors, (573), 161 states have call predecessors, (573), 160 states have return successors, (572), 552 states have call predecessors, (572), 572 states have call successors, (572) [2024-11-24 01:12:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2723 states and 3876 transitions. [2024-11-24 01:12:42,055 INFO L78 Accepts]: Start accepts. Automaton has 2723 states and 3876 transitions. Word has length 53 [2024-11-24 01:12:42,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:12:42,056 INFO L471 AbstractCegarLoop]: Abstraction has 2723 states and 3876 transitions. [2024-11-24 01:12:42,056 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) [2024-11-24 01:12:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 3876 transitions. [2024-11-24 01:12:42,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-24 01:12:42,062 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:42,062 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:12:42,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-24 01:12:42,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-24 01:12:42,263 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:12:42,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:42,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1221973574, now seen corresponding path program 1 times [2024-11-24 01:12:42,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:42,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767201183] [2024-11-24 01:12:42,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:42,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:12:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:12:44,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:12:44,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767201183] [2024-11-24 01:12:44,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767201183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:12:44,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370096852] [2024-11-24 01:12:44,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:44,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:44,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:12:44,629 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:12:44,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-24 01:12:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:48,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 6935 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:12:48,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:12:48,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 01:12:48,934 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:12:48,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370096852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:12:48,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:12:48,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-24 01:12:48,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752739928] [2024-11-24 01:12:48,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:12:48,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:12:48,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:12:48,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:12:48,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:12:48,936 INFO L87 Difference]: Start difference. First operand 2723 states and 3876 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) [2024-11-24 01:12:49,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:12:49,380 INFO L93 Difference]: Finished difference Result 6821 states and 9701 transitions. [2024-11-24 01:12:49,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:12:49,381 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 [2024-11-24 01:12:49,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:12:49,405 INFO L225 Difference]: With dead ends: 6821 [2024-11-24 01:12:49,405 INFO L226 Difference]: Without dead ends: 4101 [2024-11-24 01:12:49,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:12:49,416 INFO L435 NwaCegarLoop]: 1122 mSDtfsCounter, 1098 mSDsluCounter, 1092 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 2214 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:12:49,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 2214 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:12:49,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4101 states. [2024-11-24 01:12:49,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4101 to 4098. [2024-11-24 01:12:49,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 3000 states have (on average 1.373) internal successors, (4119), 3078 states have internal predecessors, (4119), 851 states have call successors, (851), 247 states have call predecessors, (851), 246 states have return successors, (850), 820 states have call predecessors, (850), 850 states have call successors, (850) [2024-11-24 01:12:49,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 5820 transitions. [2024-11-24 01:12:49,660 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 5820 transitions. Word has length 71 [2024-11-24 01:12:49,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:12:49,661 INFO L471 AbstractCegarLoop]: Abstraction has 4098 states and 5820 transitions. [2024-11-24 01:12:49,661 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) [2024-11-24 01:12:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 5820 transitions. [2024-11-24 01:12:49,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-24 01:12:49,668 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:49,669 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:12:49,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-24 01:12:49,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:49,870 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:12:49,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:49,871 INFO L85 PathProgramCache]: Analyzing trace with hash -458758866, now seen corresponding path program 1 times [2024-11-24 01:12:49,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:49,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111343931] [2024-11-24 01:12:49,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:49,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:12:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:12:52,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:12:52,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111343931] [2024-11-24 01:12:52,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111343931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:12:52,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212886079] [2024-11-24 01:12:52,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:52,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:52,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:12:52,765 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:12:52,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-24 01:12:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:57,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 6971 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:12:57,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:12:57,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:12:57,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:12:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:12:57,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212886079] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:12:57,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:12:57,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-24 01:12:57,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968567363] [2024-11-24 01:12:57,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:12:57,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:12:57,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:12:57,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:12:57,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:12:57,574 INFO L87 Difference]: Start difference. First operand 4098 states and 5820 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 1 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-24 01:12:58,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:12:58,290 INFO L93 Difference]: Finished difference Result 8283 states and 11772 transitions. [2024-11-24 01:12:58,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:12:58,296 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 1 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 74 [2024-11-24 01:12:58,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:12:58,323 INFO L225 Difference]: With dead ends: 8283 [2024-11-24 01:12:58,324 INFO L226 Difference]: Without dead ends: 4188 [2024-11-24 01:12:58,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:12:58,341 INFO L435 NwaCegarLoop]: 1129 mSDtfsCounter, 66 mSDsluCounter, 3378 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 4507 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:12:58,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 4507 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:12:58,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4188 states. [2024-11-24 01:12:58,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4188 to 4188. [2024-11-24 01:12:58,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4188 states, 3090 states have (on average 1.3737864077669903) internal successors, (4245), 3168 states have internal predecessors, (4245), 851 states have call successors, (851), 247 states have call predecessors, (851), 246 states have return successors, (850), 820 states have call predecessors, (850), 850 states have call successors, (850) [2024-11-24 01:12:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 4188 states and 5946 transitions. [2024-11-24 01:12:58,808 INFO L78 Accepts]: Start accepts. Automaton has 4188 states and 5946 transitions. Word has length 74 [2024-11-24 01:12:58,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:12:58,808 INFO L471 AbstractCegarLoop]: Abstraction has 4188 states and 5946 transitions. [2024-11-24 01:12:58,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 1 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-24 01:12:58,809 INFO L276 IsEmpty]: Start isEmpty. Operand 4188 states and 5946 transitions. [2024-11-24 01:12:58,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-24 01:12:58,818 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:58,818 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2024-11-24 01:12:58,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-24 01:12:59,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:59,019 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:12:59,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:59,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1938133731, now seen corresponding path program 2 times [2024-11-24 01:12:59,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:59,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345313083] [2024-11-24 01:12:59,020 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:12:59,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:01,914 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:13:01,914 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:13:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-24 01:13:02,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:02,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345313083] [2024-11-24 01:13:02,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345313083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:02,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:02,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:13:02,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578630717] [2024-11-24 01:13:02,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:02,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:13:02,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:02,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:13:02,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:13:02,440 INFO L87 Difference]: Start difference. First operand 4188 states and 5946 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 01:13:06,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:13:06,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:06,815 INFO L93 Difference]: Finished difference Result 4188 states and 5946 transitions. [2024-11-24 01:13:06,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:13:06,816 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), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 86 [2024-11-24 01:13:06,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:06,823 INFO L225 Difference]: With dead ends: 4188 [2024-11-24 01:13:06,823 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:13:06,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:13:06,837 INFO L435 NwaCegarLoop]: 1129 mSDtfsCounter, 16 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2231 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:06,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2231 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 01:13:06,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:13:06,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:13:06,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:13:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:13:06,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2024-11-24 01:13:06,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:06,844 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:13:06,844 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), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 01:13:06,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:13:06,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:13:06,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:13:06,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 01:13:06,852 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:13:06,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:14:49,715 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:14:49,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:14:49 BoogieIcfgContainer [2024-11-24 01:14:49,741 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:14:49,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:14:49,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:14:49,743 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:14:49,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:10:59" (3/4) ... [2024-11-24 01:14:49,747 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:14:49,755 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_pcd_request [2024-11-24 01:14:49,755 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#12 [2024-11-24 01:14:49,755 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_wait [2024-11-24 01:14:49,755 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#11 [2024-11-24 01:14:49,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2024-11-24 01:14:49,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-11-24 01:14:49,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_atapi [2024-11-24 01:14:49,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2024-11-24 01:14:49,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_audio_ioctl [2024-11-24 01:14:49,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-11-24 01:14:49,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2024-11-24 01:14:49,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-11-24 01:14:49,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#18 [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_pcd_mutex [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#17 [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_get_mcn [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#16 [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#15 [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#14 [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#13 [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ps_set_intr [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_packet [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_drive_status [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_identify [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure next_request [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2024-11-24 01:14:49,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_probe [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_command [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_completion [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_drive_reset [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_blkdev [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_tray_move [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_pcd_read [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_check_events [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pcd_mutex [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_disk [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure schedule_delayed_work [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_reset [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_block_ioctl [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-11-24 01:14:49,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_lock_door [2024-11-24 01:14:49,759 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-11-24 01:14:49,759 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-11-24 01:14:49,759 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~~TO~VOID [2024-11-24 01:14:49,759 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-11-24 01:14:49,759 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-11-24 01:14:49,759 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-11-24 01:14:49,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_block_check_events [2024-11-24 01:14:49,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-11-24 01:14:49,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_do_claimed [2024-11-24 01:14:49,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_sleep [2024-11-24 01:14:49,813 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 271 nodes and edges [2024-11-24 01:14:49,820 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2024-11-24 01:14:49,827 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2024-11-24 01:14:49,834 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-24 01:14:49,840 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:14:49,847 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 01:14:49,850 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:14:50,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:14:50,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:14:50,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:14:50,306 INFO L158 Benchmark]: Toolchain (without parser) took 252195.60ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 86.3MB in the beginning and 658.6MB in the end (delta: -572.2MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-24 01:14:50,306 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:50,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1987.00ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 86.3MB in the beginning and 273.4MB in the end (delta: -187.1MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2024-11-24 01:14:50,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 327.09ms. Allocated memory is still 352.3MB. Free memory was 273.4MB in the beginning and 242.3MB in the end (delta: 31.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:14:50,307 INFO L158 Benchmark]: Boogie Preprocessor took 527.44ms. Allocated memory is still 352.3MB. Free memory was 242.3MB in the beginning and 191.0MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-24 01:14:50,307 INFO L158 Benchmark]: RCFGBuilder took 19005.10ms. Allocated memory was 352.3MB in the beginning and 503.3MB in the end (delta: 151.0MB). Free memory was 191.0MB in the beginning and 153.4MB in the end (delta: 37.6MB). Peak memory consumption was 251.3MB. Max. memory is 16.1GB. [2024-11-24 01:14:50,308 INFO L158 Benchmark]: TraceAbstraction took 229778.87ms. Allocated memory was 503.3MB in the beginning and 1.8GB in the end (delta: 1.3GB). Free memory was 153.4MB in the beginning and 721.5MB in the end (delta: -568.0MB). Peak memory consumption was 837.2MB. Max. memory is 16.1GB. [2024-11-24 01:14:50,312 INFO L158 Benchmark]: Witness Printer took 562.33ms. Allocated memory is still 1.8GB. Free memory was 721.5MB in the beginning and 658.6MB in the end (delta: 62.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-24 01:14:50,314 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1987.00ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 86.3MB in the beginning and 273.4MB in the end (delta: -187.1MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 327.09ms. Allocated memory is still 352.3MB. Free memory was 273.4MB in the beginning and 242.3MB in the end (delta: 31.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 527.44ms. Allocated memory is still 352.3MB. Free memory was 242.3MB in the beginning and 191.0MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * RCFGBuilder took 19005.10ms. Allocated memory was 352.3MB in the beginning and 503.3MB in the end (delta: 151.0MB). Free memory was 191.0MB in the beginning and 153.4MB in the end (delta: 37.6MB). Peak memory consumption was 251.3MB. Max. memory is 16.1GB. * TraceAbstraction took 229778.87ms. Allocated memory was 503.3MB in the beginning and 1.8GB in the end (delta: 1.3GB). Free memory was 153.4MB in the beginning and 721.5MB in the end (delta: -568.0MB). Peak memory consumption was 837.2MB. Max. memory is 16.1GB. * Witness Printer took 562.33ms. Allocated memory is still 1.8GB. Free memory was 721.5MB in the beginning and 658.6MB in the end (delta: 62.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5508]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 66 procedures, 935 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 126.8s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 29.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 10182 SdHoareTripleChecker+Valid, 27.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10173 mSDsluCounter, 29816 SdHoareTripleChecker+Invalid, 26.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12297 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 17519 mSDtfsCounter, 136 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 642 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4188occurred in iteration=14, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 100 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 11.9s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 1219 NumberOfCodeBlocks, 1164 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1267 ConstructedInterpolants, 0 QuantifiedInterpolants, 1862 SizeOfPredicates, 0 NumberOfNonLiveVariables, 68272 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 26 InterpolantComputations, 14 PerfectInterpolantSequences, 55/67 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3871]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 3997]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4063]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4797]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4227]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4843]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3871]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4227]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4463]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4787]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4109]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4795]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 3964]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4269]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 3802]: Loop Invariant Derived loop invariant: ((((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (unit <= 3)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) - InvariantResult [Line: 4026]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pcd_mutex == 1)) RESULT: Ultimate proved your program to be correct! [2024-11-24 01:14:50,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdd9457-f8a2-4300-a1d0-bd60636a0f84/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE