./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/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_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1 --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-d790fec [2024-12-02 14:36:34,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:36:34,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 14:36:34,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:36:34,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:36:34,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:36:34,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:36:34,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:36:34,089 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:36:34,089 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:36:34,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:36:34,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:36:34,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:36:34,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:36:34,090 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:36:34,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:36:34,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:36:34,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:36:34,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:36:34,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:36:34,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:36:34,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:36:34,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:36:34,090 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:36:34,091 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:36:34,091 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:36:34,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:36:34,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:36:34,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:36:34,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:36:34,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:36:34,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:36:34,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:36:34,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:36:34,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:36:34,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:36:34,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:36:34,092 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:36:34,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:36:34,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:36:34,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:36:34,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:36:34,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:36:34,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:36:34,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:36:34,092 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_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 14:36:34,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:36:34,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:36:34,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:36:34,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:36:34,328 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:36:34,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-12-02 14:36:36,937 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/data/a10cbf277/17ff0fc7f85f42afbc9afb6614c21c3e/FLAG468f908d6 [2024-12-02 14:36:37,301 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:36:37,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-12-02 14:36:37,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/data/a10cbf277/17ff0fc7f85f42afbc9afb6614c21c3e/FLAG468f908d6 [2024-12-02 14:36:37,515 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/data/a10cbf277/17ff0fc7f85f42afbc9afb6614c21c3e [2024-12-02 14:36:37,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:36:37,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:36:37,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:36:37,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:36:37,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:36:37,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:36:37" (1/1) ... [2024-12-02 14:36:37,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cfc0960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:37, skipping insertion in model container [2024-12-02 14:36:37,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:36:37" (1/1) ... [2024-12-02 14:36:37,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:36:38,375 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_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2024-12-02 14:36:38,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:36:38,502 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:36:38,698 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_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2024-12-02 14:36:38,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:36:38,800 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:36:38,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38 WrapperNode [2024-12-02 14:36:38,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:36:38,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:36:38,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:36:38,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:36:38,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (1/1) ... [2024-12-02 14:36:38,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (1/1) ... [2024-12-02 14:36:38,999 INFO L138 Inliner]: procedures = 167, calls = 3358, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 4474 [2024-12-02 14:36:38,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:36:39,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:36:39,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:36:39,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:36:39,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (1/1) ... [2024-12-02 14:36:39,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (1/1) ... [2024-12-02 14:36:39,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (1/1) ... [2024-12-02 14:36:39,138 INFO L175 MemorySlicer]: Split 2952 memory accesses to 19 slices as follows [9, 2, 14, 24, 6, 13, 13, 138, 4, 5, 2, 2, 33, 13, 6, 7, 2, 20, 2639]. 89 percent of accesses are in the largest equivalence class. The 2525 initializations are split as follows [0, 2, 14, 0, 0, 13, 13, 0, 4, 5, 0, 0, 24, 0, 6, 4, 0, 20, 2420]. The 294 writes are split as follows [0, 0, 0, 24, 5, 0, 0, 136, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 120]. [2024-12-02 14:36:39,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (1/1) ... [2024-12-02 14:36:39,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (1/1) ... [2024-12-02 14:36:39,243 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (1/1) ... [2024-12-02 14:36:39,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (1/1) ... [2024-12-02 14:36:39,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (1/1) ... [2024-12-02 14:36:39,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (1/1) ... [2024-12-02 14:36:39,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (1/1) ... [2024-12-02 14:36:39,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:36:39,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:36:39,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:36:39,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:36:39,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (1/1) ... [2024-12-02 14:36:39,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:36:39,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:36:39,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:36:39,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:36:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2024-12-02 14:36:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2024-12-02 14:36:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-12-02 14:36:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-12-02 14:36:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-12-02 14:36:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-12-02 14:36:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2024-12-02 14:36:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2024-12-02 14:36:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-12-02 14:36:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-12-02 14:36:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-12-02 14:36:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-12-02 14:36:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 14:36:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 14:36:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 14:36:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 14:36:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 14:36:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 14:36:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 14:36:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 14:36:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 14:36:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 14:36:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 14:36:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 14:36:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 14:36:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 14:36:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 14:36:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 14:36:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 14:36:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 14:36:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 14:36:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2024-12-02 14:36:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2024-12-02 14:36:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2024-12-02 14:36:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2024-12-02 14:36:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 14:36:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 14:36:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 14:36:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 14:36:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 14:36:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 14:36:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 14:36:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2024-12-02 14:36:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-12-02 14:36:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 14:36:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 14:36:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 14:36:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 14:36:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 14:36:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 14:36:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 14:36:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 14:36:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 14:36:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 14:36:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 14:36:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 14:36:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 14:36:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 14:36:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 14:36:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 14:36:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 14:36:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 14:36:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 14:36:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 14:36:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 14:36:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-12-02 14:36:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-12-02 14:36:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2024-12-02 14:36:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2024-12-02 14:36:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2024-12-02 14:36:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2024-12-02 14:36:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:36:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:36:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 14:36:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 14:36:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 14:36:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 14:36:39,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 14:36:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2024-12-02 14:36:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2024-12-02 14:36:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 14:36:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 14:36:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2024-12-02 14:36:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2024-12-02 14:36:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 14:36:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2024-12-02 14:36:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2024-12-02 14:36:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-02 14:36:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-02 14:36:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2024-12-02 14:36:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2024-12-02 14:36:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 14:36:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 14:36:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2024-12-02 14:36:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2024-12-02 14:36:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2024-12-02 14:36:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2024-12-02 14:36:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:36:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2024-12-02 14:36:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2024-12-02 14:36:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2024-12-02 14:36:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2024-12-02 14:36:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2024-12-02 14:36:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2024-12-02 14:36:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 14:36:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 14:36:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 14:36:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 14:36:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 14:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2024-12-02 14:36:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2024-12-02 14:36:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 14:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 14:36:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 14:36:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 14:36:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 14:36:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 14:36:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 14:36:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 14:36:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 14:36:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 14:36:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2024-12-02 14:36:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2024-12-02 14:36:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2024-12-02 14:36:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2024-12-02 14:36:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2024-12-02 14:36:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2024-12-02 14:36:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2024-12-02 14:36:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 14:36:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 14:36:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 14:36:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-12-02 14:36:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-12-02 14:36:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-12-02 14:36:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-12-02 14:36:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 14:36:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 14:36:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-12-02 14:36:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-12-02 14:36:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2024-12-02 14:36:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2024-12-02 14:36:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-12-02 14:36:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-12-02 14:36:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-12-02 14:36:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-12-02 14:36:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-12-02 14:36:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-12-02 14:36:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2024-12-02 14:36:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 14:36:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2024-12-02 14:36:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 14:36:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:36:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:36:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2024-12-02 14:36:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2024-12-02 14:36:39,903 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:36:39,905 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:36:52,828 INFO L? ?]: Removed 969 outVars from TransFormulas that were not future-live. [2024-12-02 14:36:52,829 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:36:52,855 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:36:52,855 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-12-02 14:36:52,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:36:52 BoogieIcfgContainer [2024-12-02 14:36:52,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:36:52,858 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:36:52,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:36:52,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:36:52,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:36:37" (1/3) ... [2024-12-02 14:36:52,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6842da6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:36:52, skipping insertion in model container [2024-12-02 14:36:52,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:38" (2/3) ... [2024-12-02 14:36:52,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6842da6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:36:52, skipping insertion in model container [2024-12-02 14:36:52,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:36:52" (3/3) ... [2024-12-02 14:36:52,865 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-12-02 14:36:52,878 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:36:52,880 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. [2024-12-02 14:36:52,944 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:36:52,954 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;@17b6887e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:36:52,954 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:36:52,960 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) [2024-12-02 14:36:52,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-02 14:36:52,967 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:52,968 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:52,968 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:52,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:52,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1262205425, now seen corresponding path program 1 times [2024-12-02 14:36:52,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:36:52,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990195277] [2024-12-02 14:36:52,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:52,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:36:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:55,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:36:55,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:36:55,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990195277] [2024-12-02 14:36:55,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990195277] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:36:55,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:36:55,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:36:55,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659773545] [2024-12-02 14:36:55,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:36:55,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:36:55,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:36:55,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:36:55,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:36:55,605 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) [2024-12-02 14:36:55,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:55,938 INFO L93 Difference]: Finished difference Result 2426 states and 3587 transitions. [2024-12-02 14:36:55,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:36:55,940 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 [2024-12-02 14:36:55,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:55,960 INFO L225 Difference]: With dead ends: 2426 [2024-12-02 14:36:55,960 INFO L226 Difference]: Without dead ends: 1576 [2024-12-02 14:36:55,968 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 [2024-12-02 14:36:55,970 INFO L435 NwaCegarLoop]: 1191 mSDtfsCounter, 1071 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:55,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 2340 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:36:55,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2024-12-02 14:36:56,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1564. [2024-12-02 14:36:56,077 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) [2024-12-02 14:36:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2227 transitions. [2024-12-02 14:36:56,093 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2227 transitions. Word has length 16 [2024-12-02 14:36:56,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:56,093 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2227 transitions. [2024-12-02 14:36:56,093 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) [2024-12-02 14:36:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2227 transitions. [2024-12-02 14:36:56,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-02 14:36:56,096 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:56,096 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:56,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 14:36:56,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:56,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:56,097 INFO L85 PathProgramCache]: Analyzing trace with hash -293872518, now seen corresponding path program 1 times [2024-12-02 14:36:56,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:36:56,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414629317] [2024-12-02 14:36:56,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:56,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:36:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:36:58,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:36:58,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414629317] [2024-12-02 14:36:58,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414629317] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:36:58,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:36:58,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:36:58,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335470212] [2024-12-02 14:36:58,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:36:58,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:36:58,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:36:58,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:36:58,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:36:58,471 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) [2024-12-02 14:36:58,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:58,554 INFO L93 Difference]: Finished difference Result 3125 states and 4451 transitions. [2024-12-02 14:36:58,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:36:58,555 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 [2024-12-02 14:36:58,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:58,566 INFO L225 Difference]: With dead ends: 3125 [2024-12-02 14:36:58,566 INFO L226 Difference]: Without dead ends: 1564 [2024-12-02 14:36:58,572 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 [2024-12-02 14:36:58,573 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 [2024-12-02 14:36:58,573 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] [2024-12-02 14:36:58,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2024-12-02 14:36:58,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1564. [2024-12-02 14:36:58,637 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) [2024-12-02 14:36:58,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2225 transitions. [2024-12-02 14:36:58,649 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2225 transitions. Word has length 18 [2024-12-02 14:36:58,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:58,650 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2225 transitions. [2024-12-02 14:36:58,650 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) [2024-12-02 14:36:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2225 transitions. [2024-12-02 14:36:58,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-02 14:36:58,651 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:58,651 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] [2024-12-02 14:36:58,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:36:58,652 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:58,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:58,652 INFO L85 PathProgramCache]: Analyzing trace with hash -734034344, now seen corresponding path program 1 times [2024-12-02 14:36:58,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:36:58,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121111054] [2024-12-02 14:36:58,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:58,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:00,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:00,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121111054] [2024-12-02 14:37:00,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121111054] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:00,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:37:00,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:37:00,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100373234] [2024-12-02 14:37:00,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:00,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:37:00,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:00,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:37:00,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:37:00,930 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) [2024-12-02 14:37:05,030 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 [] [2024-12-02 14:37:05,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:05,192 INFO L93 Difference]: Finished difference Result 4307 states and 6124 transitions. [2024-12-02 14:37:05,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:37:05,192 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 [2024-12-02 14:37:05,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:05,207 INFO L225 Difference]: With dead ends: 4307 [2024-12-02 14:37:05,207 INFO L226 Difference]: Without dead ends: 2746 [2024-12-02 14:37:05,212 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 [2024-12-02 14:37:05,213 INFO L435 NwaCegarLoop]: 1287 mSDtfsCounter, 1124 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:37:05,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 2198 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 14:37:05,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2024-12-02 14:37:05,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 2720. [2024-12-02 14:37:05,354 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) [2024-12-02 14:37:05,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2720 states and 3869 transitions. [2024-12-02 14:37:05,374 INFO L78 Accepts]: Start accepts. Automaton has 2720 states and 3869 transitions. Word has length 21 [2024-12-02 14:37:05,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:05,374 INFO L471 AbstractCegarLoop]: Abstraction has 2720 states and 3869 transitions. [2024-12-02 14:37:05,374 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) [2024-12-02 14:37:05,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3869 transitions. [2024-12-02 14:37:05,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-02 14:37:05,376 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:05,376 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] [2024-12-02 14:37:05,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:37:05,376 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:37:05,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:05,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1607204849, now seen corresponding path program 1 times [2024-12-02 14:37:05,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:05,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752458493] [2024-12-02 14:37:05,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:05,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:07,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:07,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:07,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752458493] [2024-12-02 14:37:07,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752458493] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:07,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:37:07,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:37:07,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997507365] [2024-12-02 14:37:07,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:07,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:37:07,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:07,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:37:07,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:37:07,794 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) [2024-12-02 14:37:08,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:08,205 INFO L93 Difference]: Finished difference Result 5457 states and 7765 transitions. [2024-12-02 14:37:08,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:37:08,209 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 [2024-12-02 14:37:08,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:08,227 INFO L225 Difference]: With dead ends: 5457 [2024-12-02 14:37:08,227 INFO L226 Difference]: Without dead ends: 2740 [2024-12-02 14:37:08,238 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 [2024-12-02 14:37:08,239 INFO L435 NwaCegarLoop]: 1164 mSDtfsCounter, 13 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:37:08,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2325 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:37:08,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2024-12-02 14:37:08,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 2722. [2024-12-02 14:37:08,354 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) [2024-12-02 14:37:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3871 transitions. [2024-12-02 14:37:08,374 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3871 transitions. Word has length 30 [2024-12-02 14:37:08,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:08,374 INFO L471 AbstractCegarLoop]: Abstraction has 2722 states and 3871 transitions. [2024-12-02 14:37:08,375 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) [2024-12-02 14:37:08,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3871 transitions. [2024-12-02 14:37:08,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-02 14:37:08,376 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:08,376 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] [2024-12-02 14:37:08,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:37:08,378 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:37:08,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:08,379 INFO L85 PathProgramCache]: Analyzing trace with hash -654834728, now seen corresponding path program 1 times [2024-12-02 14:37:08,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:08,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813417878] [2024-12-02 14:37:08,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:08,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:11,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:11,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813417878] [2024-12-02 14:37:11,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813417878] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:37:11,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257329971] [2024-12-02 14:37:11,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:11,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:37:11,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:37:11,146 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:37:11,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:37:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:14,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 6664 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:37:14,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:37:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:37:14,292 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:37:14,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257329971] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:14,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:37:14,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 14:37:14,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694276167] [2024-12-02 14:37:14,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:14,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:37:14,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:14,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:37:14,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:37:14,293 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) [2024-12-02 14:37:14,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:14,502 INFO L93 Difference]: Finished difference Result 5475 states and 7793 transitions. [2024-12-02 14:37:14,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:37:14,502 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 [2024-12-02 14:37:14,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:14,519 INFO L225 Difference]: With dead ends: 5475 [2024-12-02 14:37:14,520 INFO L226 Difference]: Without dead ends: 2756 [2024-12-02 14:37:14,527 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 [2024-12-02 14:37:14,528 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 [2024-12-02 14:37:14,528 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] [2024-12-02 14:37:14,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2024-12-02 14:37:14,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2726. [2024-12-02 14:37:14,645 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) [2024-12-02 14:37:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3875 transitions. [2024-12-02 14:37:14,662 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3875 transitions. Word has length 34 [2024-12-02 14:37:14,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:14,662 INFO L471 AbstractCegarLoop]: Abstraction has 2726 states and 3875 transitions. [2024-12-02 14:37:14,662 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) [2024-12-02 14:37:14,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3875 transitions. [2024-12-02 14:37:14,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-02 14:37:14,664 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:14,664 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] [2024-12-02 14:37:14,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:37:14,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:37:14,865 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:37:14,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:14,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1950105982, now seen corresponding path program 1 times [2024-12-02 14:37:14,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:14,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064296576] [2024-12-02 14:37:14,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:14,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:17,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:17,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064296576] [2024-12-02 14:37:17,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064296576] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:37:17,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811087664] [2024-12-02 14:37:17,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:17,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:37:17,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:37:17,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:37:17,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:37:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:20,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 6739 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:37:20,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:37:20,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:37:20,550 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:37:20,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811087664] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:20,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:37:20,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 14:37:20,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271805010] [2024-12-02 14:37:20,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:20,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:37:20,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:20,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:37:20,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:37:20,552 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) [2024-12-02 14:37:20,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:20,751 INFO L93 Difference]: Finished difference Result 5477 states and 7793 transitions. [2024-12-02 14:37:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:37:20,751 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 [2024-12-02 14:37:20,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:20,772 INFO L225 Difference]: With dead ends: 5477 [2024-12-02 14:37:20,772 INFO L226 Difference]: Without dead ends: 2754 [2024-12-02 14:37:20,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:37:20,783 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 [2024-12-02 14:37:20,784 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] [2024-12-02 14:37:20,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2024-12-02 14:37:20,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 2754. [2024-12-02 14:37:20,958 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) [2024-12-02 14:37:20,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3919 transitions. [2024-12-02 14:37:20,974 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3919 transitions. Word has length 39 [2024-12-02 14:37:20,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:20,975 INFO L471 AbstractCegarLoop]: Abstraction has 2754 states and 3919 transitions. [2024-12-02 14:37:20,975 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) [2024-12-02 14:37:20,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3919 transitions. [2024-12-02 14:37:20,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 14:37:20,981 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:20,981 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] [2024-12-02 14:37:21,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:37:21,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-02 14:37:21,182 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:37:21,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:21,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1616305667, now seen corresponding path program 1 times [2024-12-02 14:37:21,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:21,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436037970] [2024-12-02 14:37:21,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:21,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:23,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:23,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436037970] [2024-12-02 14:37:23,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436037970] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:37:23,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043880344] [2024-12-02 14:37:23,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:23,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:37:23,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:37:23,470 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:37:23,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:37:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:26,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 6827 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:37:26,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:37:26,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:37:26,560 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:37:26,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043880344] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:26,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:37:26,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 14:37:26,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408578155] [2024-12-02 14:37:26,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:26,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:37:26,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:26,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:37:26,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:37:26,562 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) [2024-12-02 14:37:26,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:26,673 INFO L93 Difference]: Finished difference Result 5507 states and 7839 transitions. [2024-12-02 14:37:26,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:37:26,674 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 [2024-12-02 14:37:26,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:26,691 INFO L225 Difference]: With dead ends: 5507 [2024-12-02 14:37:26,691 INFO L226 Difference]: Without dead ends: 2756 [2024-12-02 14:37:26,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:37:26,701 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 [2024-12-02 14:37:26,701 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] [2024-12-02 14:37:26,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2024-12-02 14:37:26,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2756. [2024-12-02 14:37:26,820 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) [2024-12-02 14:37:26,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3921 transitions. [2024-12-02 14:37:26,836 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3921 transitions. Word has length 50 [2024-12-02 14:37:26,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:26,836 INFO L471 AbstractCegarLoop]: Abstraction has 2756 states and 3921 transitions. [2024-12-02 14:37:26,836 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) [2024-12-02 14:37:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3921 transitions. [2024-12-02 14:37:26,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 14:37:26,839 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:26,839 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] [2024-12-02 14:37:26,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 14:37:27,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:37:27,040 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:37:27,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:27,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1358140229, now seen corresponding path program 1 times [2024-12-02 14:37:27,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:27,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970443224] [2024-12-02 14:37:27,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:27,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:29,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:29,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970443224] [2024-12-02 14:37:29,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970443224] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:37:29,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998264387] [2024-12-02 14:37:29,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:29,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:37:29,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:37:29,340 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:37:29,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 14:37:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:32,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 6832 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:37:32,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:37:32,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:37:32,443 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:37:32,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998264387] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:32,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:37:32,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 14:37:32,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405398172] [2024-12-02 14:37:32,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:32,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:37:32,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:32,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:37:32,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:37:32,444 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) [2024-12-02 14:37:32,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:32,632 INFO L93 Difference]: Finished difference Result 2778 states and 3947 transitions. [2024-12-02 14:37:32,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:37:32,632 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 [2024-12-02 14:37:32,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:32,645 INFO L225 Difference]: With dead ends: 2778 [2024-12-02 14:37:32,645 INFO L226 Difference]: Without dead ends: 2767 [2024-12-02 14:37:32,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:37:32,646 INFO L435 NwaCegarLoop]: 1180 mSDtfsCounter, 1163 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:37:32,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 1193 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:37:32,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2024-12-02 14:37:32,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 2756. [2024-12-02 14:37:32,760 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) [2024-12-02 14:37:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3920 transitions. [2024-12-02 14:37:32,773 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3920 transitions. Word has length 50 [2024-12-02 14:37:32,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:32,774 INFO L471 AbstractCegarLoop]: Abstraction has 2756 states and 3920 transitions. [2024-12-02 14:37:32,774 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) [2024-12-02 14:37:32,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3920 transitions. [2024-12-02 14:37:32,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 14:37:32,776 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:32,776 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] [2024-12-02 14:37:32,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 14:37:32,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:37:32,977 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:37:32,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:32,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1415398531, now seen corresponding path program 1 times [2024-12-02 14:37:32,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:32,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927008734] [2024-12-02 14:37:32,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:32,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:35,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:35,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:35,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927008734] [2024-12-02 14:37:35,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927008734] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:37:35,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933613627] [2024-12-02 14:37:35,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:35,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:37:35,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:37:35,021 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:37:35,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 14:37:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:38,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 6823 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:37:38,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:37:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:37:38,462 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:37:38,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933613627] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:38,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:37:38,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 14:37:38,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080159693] [2024-12-02 14:37:38,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:38,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:37:38,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:38,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:37:38,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:37:38,463 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) [2024-12-02 14:37:42,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:37:42,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:42,652 INFO L93 Difference]: Finished difference Result 2758 states and 3921 transitions. [2024-12-02 14:37:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:37:42,652 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 [2024-12-02 14:37:42,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:42,667 INFO L225 Difference]: With dead ends: 2758 [2024-12-02 14:37:42,667 INFO L226 Difference]: Without dead ends: 2755 [2024-12-02 14:37:42,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:37:42,669 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 [2024-12-02 14:37:42,669 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] [2024-12-02 14:37:42,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2024-12-02 14:37:42,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2755. [2024-12-02 14:37:42,795 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) [2024-12-02 14:37:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3918 transitions. [2024-12-02 14:37:42,808 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3918 transitions. Word has length 50 [2024-12-02 14:37:42,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:42,808 INFO L471 AbstractCegarLoop]: Abstraction has 2755 states and 3918 transitions. [2024-12-02 14:37:42,809 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) [2024-12-02 14:37:42,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3918 transitions. [2024-12-02 14:37:42,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-02 14:37:42,812 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:42,812 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] [2024-12-02 14:37:42,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 14:37:43,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:37:43,012 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:37:43,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:43,013 INFO L85 PathProgramCache]: Analyzing trace with hash 927342379, now seen corresponding path program 1 times [2024-12-02 14:37:43,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:43,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020281051] [2024-12-02 14:37:43,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:43,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:45,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:45,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:45,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020281051] [2024-12-02 14:37:45,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020281051] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:37:45,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952182658] [2024-12-02 14:37:45,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:45,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:37:45,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:37:45,017 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:37:45,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 14:37:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:48,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 6825 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:37:48,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:37:48,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:37:48,590 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:37:48,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952182658] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:48,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:37:48,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 14:37:48,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18368741] [2024-12-02 14:37:48,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:48,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:37:48,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:48,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:37:48,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:37:48,592 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) [2024-12-02 14:37:52,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:37:52,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:52,789 INFO L93 Difference]: Finished difference Result 2757 states and 3919 transitions. [2024-12-02 14:37:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:37:52,789 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 [2024-12-02 14:37:52,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:52,800 INFO L225 Difference]: With dead ends: 2757 [2024-12-02 14:37:52,800 INFO L226 Difference]: Without dead ends: 2754 [2024-12-02 14:37:52,802 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 [2024-12-02 14:37:52,803 INFO L435 NwaCegarLoop]: 1163 mSDtfsCounter, 1116 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:37:52,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1116 Valid, 1163 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 14:37:52,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2024-12-02 14:37:52,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 2754. [2024-12-02 14:37:52,872 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) [2024-12-02 14:37:52,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3916 transitions. [2024-12-02 14:37:52,881 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3916 transitions. Word has length 51 [2024-12-02 14:37:52,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:52,881 INFO L471 AbstractCegarLoop]: Abstraction has 2754 states and 3916 transitions. [2024-12-02 14:37:52,881 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) [2024-12-02 14:37:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3916 transitions. [2024-12-02 14:37:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-02 14:37:52,883 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:52,883 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] [2024-12-02 14:37:52,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 14:37:53,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:37:53,083 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:37:53,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:53,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1317491578, now seen corresponding path program 1 times [2024-12-02 14:37:53,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:37:53,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832237245] [2024-12-02 14:37:53,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:53,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:37:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:37:55,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:37:55,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832237245] [2024-12-02 14:37:55,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832237245] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:37:55,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027423475] [2024-12-02 14:37:55,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:55,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:37:55,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:37:55,172 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:37:55,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 14:37:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:58,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 6827 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:37:58,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:37:58,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:37:58,570 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:37:58,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027423475] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:37:58,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:37:58,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 14:37:58,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865153253] [2024-12-02 14:37:58,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:37:58,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:37:58,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:37:58,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:37:58,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:37:58,572 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) [2024-12-02 14:38:02,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:38:02,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:38:02,787 INFO L93 Difference]: Finished difference Result 2756 states and 3917 transitions. [2024-12-02 14:38:02,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:38:02,787 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 [2024-12-02 14:38:02,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:38:02,802 INFO L225 Difference]: With dead ends: 2756 [2024-12-02 14:38:02,802 INFO L226 Difference]: Without dead ends: 2753 [2024-12-02 14:38:02,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:38:02,804 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, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:38:02,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 1161 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 14:38:02,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2024-12-02 14:38:02,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 2753. [2024-12-02 14:38:02,890 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) [2024-12-02 14:38:02,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 3914 transitions. [2024-12-02 14:38:02,898 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 3914 transitions. Word has length 52 [2024-12-02 14:38:02,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:38:02,898 INFO L471 AbstractCegarLoop]: Abstraction has 2753 states and 3914 transitions. [2024-12-02 14:38:02,898 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) [2024-12-02 14:38:02,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3914 transitions. [2024-12-02 14:38:02,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-02 14:38:02,901 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:38:02,901 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] [2024-12-02 14:38:02,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 14:38:03,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:38:03,101 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:38:03,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:38:03,102 INFO L85 PathProgramCache]: Analyzing trace with hash 2107104654, now seen corresponding path program 1 times [2024-12-02 14:38:03,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:38:03,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856215084] [2024-12-02 14:38:03,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:38:03,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:38:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:38:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:38:05,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:38:05,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856215084] [2024-12-02 14:38:05,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856215084] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:38:05,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808197310] [2024-12-02 14:38:05,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:38:05,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:38:05,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:38:05,345 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:38:05,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 14:38:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:38:08,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 6829 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:38:08,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:38:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:38:08,841 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:38:08,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808197310] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:38:08,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:38:08,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 14:38:08,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849056205] [2024-12-02 14:38:08,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:38:08,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:38:08,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:38:08,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:38:08,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:38:08,842 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) [2024-12-02 14:38:12,931 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 [] [2024-12-02 14:38:13,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:38:13,040 INFO L93 Difference]: Finished difference Result 2755 states and 3915 transitions. [2024-12-02 14:38:13,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:38:13,041 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 [2024-12-02 14:38:13,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:38:13,050 INFO L225 Difference]: With dead ends: 2755 [2024-12-02 14:38:13,050 INFO L226 Difference]: Without dead ends: 2723 [2024-12-02 14:38:13,052 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 [2024-12-02 14:38:13,052 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 [2024-12-02 14:38:13,053 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] [2024-12-02 14:38:13,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2024-12-02 14:38:13,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2723. [2024-12-02 14:38:13,194 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) [2024-12-02 14:38:13,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2723 states and 3876 transitions. [2024-12-02 14:38:13,206 INFO L78 Accepts]: Start accepts. Automaton has 2723 states and 3876 transitions. Word has length 53 [2024-12-02 14:38:13,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:38:13,207 INFO L471 AbstractCegarLoop]: Abstraction has 2723 states and 3876 transitions. [2024-12-02 14:38:13,207 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) [2024-12-02 14:38:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 3876 transitions. [2024-12-02 14:38:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-02 14:38:13,211 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:38:13,212 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] [2024-12-02 14:38:13,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 14:38:13,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:38:13,412 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:38:13,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:38:13,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1221973574, now seen corresponding path program 1 times [2024-12-02 14:38:13,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:38:13,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964218431] [2024-12-02 14:38:13,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:38:13,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:38:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:38:15,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:38:15,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:38:15,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964218431] [2024-12-02 14:38:15,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964218431] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:38:15,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718181436] [2024-12-02 14:38:15,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:38:15,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:38:15,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:38:15,475 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:38:15,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 14:38:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:38:18,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 6935 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:38:18,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:38:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:38:18,819 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:38:18,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718181436] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:38:18,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:38:18,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 14:38:18,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160842663] [2024-12-02 14:38:18,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:38:18,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:38:18,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:38:18,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:38:18,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:38:18,820 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) [2024-12-02 14:38:19,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:38:19,186 INFO L93 Difference]: Finished difference Result 6821 states and 9701 transitions. [2024-12-02 14:38:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:38:19,187 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 [2024-12-02 14:38:19,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:38:19,200 INFO L225 Difference]: With dead ends: 6821 [2024-12-02 14:38:19,201 INFO L226 Difference]: Without dead ends: 4101 [2024-12-02 14:38:19,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:38:19,208 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 [2024-12-02 14:38:19,208 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] [2024-12-02 14:38:19,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4101 states. [2024-12-02 14:38:19,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4101 to 4098. [2024-12-02 14:38:19,330 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) [2024-12-02 14:38:19,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 5820 transitions. [2024-12-02 14:38:19,343 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 5820 transitions. Word has length 71 [2024-12-02 14:38:19,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:38:19,343 INFO L471 AbstractCegarLoop]: Abstraction has 4098 states and 5820 transitions. [2024-12-02 14:38:19,343 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) [2024-12-02 14:38:19,343 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 5820 transitions. [2024-12-02 14:38:19,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 14:38:19,346 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:38:19,346 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] [2024-12-02 14:38:19,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 14:38:19,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 14:38:19,547 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:38:19,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:38:19,547 INFO L85 PathProgramCache]: Analyzing trace with hash -458758866, now seen corresponding path program 1 times [2024-12-02 14:38:19,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:38:19,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196228223] [2024-12-02 14:38:19,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:38:19,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:38:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:38:21,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:38:21,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:38:21,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196228223] [2024-12-02 14:38:21,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196228223] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:38:21,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680166571] [2024-12-02 14:38:21,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:38:21,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:38:21,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:38:21,732 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:38:21,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 14:38:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:38:25,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 6971 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:38:25,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:38:25,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:38:25,154 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:38:25,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:38:25,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680166571] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:38:25,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:38:25,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 14:38:25,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19817117] [2024-12-02 14:38:25,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:38:25,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:38:25,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:38:25,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:38:25,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:38:25,346 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) [2024-12-02 14:38:25,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:38:25,899 INFO L93 Difference]: Finished difference Result 8283 states and 11772 transitions. [2024-12-02 14:38:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:38:25,903 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 [2024-12-02 14:38:25,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:38:25,924 INFO L225 Difference]: With dead ends: 8283 [2024-12-02 14:38:25,925 INFO L226 Difference]: Without dead ends: 4188 [2024-12-02 14:38:25,939 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 [2024-12-02 14:38:25,939 INFO L435 NwaCegarLoop]: 1129 mSDtfsCounter, 66 mSDsluCounter, 3378 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:38:25,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 4507 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:38:25,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4188 states. [2024-12-02 14:38:26,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4188 to 4188. [2024-12-02 14:38:26,139 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) [2024-12-02 14:38:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 4188 states and 5946 transitions. [2024-12-02 14:38:26,159 INFO L78 Accepts]: Start accepts. Automaton has 4188 states and 5946 transitions. Word has length 74 [2024-12-02 14:38:26,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:38:26,160 INFO L471 AbstractCegarLoop]: Abstraction has 4188 states and 5946 transitions. [2024-12-02 14:38:26,160 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) [2024-12-02 14:38:26,160 INFO L276 IsEmpty]: Start isEmpty. Operand 4188 states and 5946 transitions. [2024-12-02 14:38:26,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 14:38:26,164 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:38:26,164 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] [2024-12-02 14:38:26,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-12-02 14:38:26,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 14:38:26,365 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:38:26,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:38:26,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1938133731, now seen corresponding path program 2 times [2024-12-02 14:38:26,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:38:26,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720927350] [2024-12-02 14:38:26,366 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:38:26,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:38:28,475 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 14:38:28,475 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:38:28,781 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 14:38:28,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:38:28,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720927350] [2024-12-02 14:38:28,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720927350] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:38:28,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:38:28,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:38:28,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351669397] [2024-12-02 14:38:28,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:38:28,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:38:28,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:38:28,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:38:28,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:38:28,782 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) [2024-12-02 14:38:32,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:38:33,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:38:33,049 INFO L93 Difference]: Finished difference Result 4188 states and 5946 transitions. [2024-12-02 14:38:33,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:38:33,050 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 [2024-12-02 14:38:33,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:38:33,054 INFO L225 Difference]: With dead ends: 4188 [2024-12-02 14:38:33,054 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 14:38:33,060 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 [2024-12-02 14:38:33,061 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, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:38:33,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2231 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 14:38:33,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 14:38:33,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 14:38:33,061 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) [2024-12-02 14:38:33,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 14:38:33,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2024-12-02 14:38:33,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:38:33,064 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:38:33,064 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) [2024-12-02 14:38:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:38:33,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 14:38:33,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:38:33,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 14:38:33,074 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:38:33,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 14:39:56,137 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:39:56,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:39:56 BoogieIcfgContainer [2024-12-02 14:39:56,166 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:39:56,167 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:39:56,167 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:39:56,167 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:39:56,169 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:36:52" (3/4) ... [2024-12-02 14:39:56,172 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_pcd_request [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#12 [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_wait [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#11 [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_atapi [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_audio_ioctl [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#18 [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_pcd_mutex [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-12-02 14:39:56,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#17 [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_get_mcn [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#16 [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#15 [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#14 [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#13 [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ps_set_intr [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_packet [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_drive_status [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_identify [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure next_request [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_probe [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_command [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_completion [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_drive_reset [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_blkdev [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_tray_move [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_pcd_read [2024-12-02 14:39:56,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_check_events [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pcd_mutex [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_disk [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure schedule_delayed_work [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_reset [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_block_ioctl [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_lock_door [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~~TO~VOID [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-12-02 14:39:56,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-12-02 14:39:56,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_block_check_events [2024-12-02 14:39:56,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-12-02 14:39:56,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_do_claimed [2024-12-02 14:39:56,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcd_sleep [2024-12-02 14:39:56,230 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 271 nodes and edges [2024-12-02 14:39:56,234 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2024-12-02 14:39:56,237 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2024-12-02 14:39:56,241 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-02 14:39:56,247 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 14:39:56,250 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 14:39:56,252 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:39:56,533 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:39:56,533 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:39:56,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:39:56,534 INFO L158 Benchmark]: Toolchain (without parser) took 199016.25ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 86.5MB in the beginning and 1.1GB in the end (delta: -988.9MB). Peak memory consumption was 636.2MB. Max. memory is 16.1GB. [2024-12-02 14:39:56,535 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:39:56,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1282.36ms. Allocated memory is still 117.4MB. Free memory was 86.3MB in the beginning and 46.4MB in the end (delta: 39.9MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2024-12-02 14:39:56,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 197.92ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 46.4MB in the beginning and 143.3MB in the end (delta: -96.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-12-02 14:39:56,535 INFO L158 Benchmark]: Boogie Preprocessor took 320.69ms. Allocated memory is still 218.1MB. Free memory was 143.3MB in the beginning and 91.9MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-02 14:39:56,536 INFO L158 Benchmark]: RCFGBuilder took 13534.32ms. Allocated memory was 218.1MB in the beginning and 511.7MB in the end (delta: 293.6MB). Free memory was 91.9MB in the beginning and 385.0MB in the end (delta: -293.1MB). Peak memory consumption was 192.5MB. Max. memory is 16.1GB. [2024-12-02 14:39:56,536 INFO L158 Benchmark]: TraceAbstraction took 183308.11ms. Allocated memory was 511.7MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 385.0MB in the beginning and 1.1GB in the end (delta: -749.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-02 14:39:56,536 INFO L158 Benchmark]: Witness Printer took 366.49ms. Allocated memory is still 1.7GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-02 14:39:56,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1282.36ms. Allocated memory is still 117.4MB. Free memory was 86.3MB in the beginning and 46.4MB in the end (delta: 39.9MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 197.92ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 46.4MB in the beginning and 143.3MB in the end (delta: -96.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 320.69ms. Allocated memory is still 218.1MB. Free memory was 143.3MB in the beginning and 91.9MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * RCFGBuilder took 13534.32ms. Allocated memory was 218.1MB in the beginning and 511.7MB in the end (delta: 293.6MB). Free memory was 91.9MB in the beginning and 385.0MB in the end (delta: -293.1MB). Peak memory consumption was 192.5MB. Max. memory is 16.1GB. * TraceAbstraction took 183308.11ms. Allocated memory was 511.7MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 385.0MB in the beginning and 1.1GB in the end (delta: -749.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 366.49ms. Allocated memory is still 1.7GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 58.7MB). 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: 100.2s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 28.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 10182 SdHoareTripleChecker+Valid, 26.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10173 mSDsluCounter, 29816 SdHoareTripleChecker+Invalid, 25.8s 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, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 642 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s 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: 1.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 100 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 8.4s SatisfiabilityAnalysisTime, 7.7s 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! [2024-12-02 14:39:56,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ed2b82-3da0-42c1-a3d8-22e6aee36c96/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE