./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.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_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/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_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/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_7a973359-9e79-4253-bc67-5cd0cceab70d/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 fa4e82e5dd0e49bd0f7e87584c6c4590f0949ba8d84a0e6c452951736fa36a4c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:49:42,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:49:42,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 05:49:42,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:49:42,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:49:42,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:49:42,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:49:42,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:49:42,325 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:49:42,325 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:49:42,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:49:42,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:49:42,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:49:42,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:49:42,326 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:49:42,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:49:42,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:49:42,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:49:42,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:49:42,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:49:42,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:49:42,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:49:42,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:49:42,327 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:49:42,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:49:42,327 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:49:42,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:42,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:42,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:42,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:42,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:49:42,328 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:42,328 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:42,328 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:42,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:42,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:49:42,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:49:42,328 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:49:42,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:49:42,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:49:42,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:49:42,329 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:49:42,329 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:49:42,329 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:49:42,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:49:42,329 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_7a973359-9e79-4253-bc67-5cd0cceab70d/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 -> fa4e82e5dd0e49bd0f7e87584c6c4590f0949ba8d84a0e6c452951736fa36a4c [2024-12-02 05:49:42,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:49:42,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:49:42,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:49:42,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:49:42,574 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:49:42,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2024-12-02 05:49:45,206 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/data/e3ffaba7f/e347d65124ca4491abda58b127a00e3e/FLAGfa883f2c6 [2024-12-02 05:49:45,661 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:49:45,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2024-12-02 05:49:45,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/data/e3ffaba7f/e347d65124ca4491abda58b127a00e3e/FLAGfa883f2c6 [2024-12-02 05:49:45,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/data/e3ffaba7f/e347d65124ca4491abda58b127a00e3e [2024-12-02 05:49:45,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:49:45,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:49:45,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:45,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:49:45,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:49:45,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6898a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45, skipping insertion in model container [2024-12-02 05:49:45,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:49:47,824 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_7a973359-9e79-4253-bc67-5cd0cceab70d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i[297077,297090] [2024-12-02 05:49:47,887 WARN L640 FunctionHandler]: implicit declaration of function ldv_assume [2024-12-02 05:49:47,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:47,912 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:49:48,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5201] [2024-12-02 05:49:48,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5926] [2024-12-02 05:49:48,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5999] [2024-12-02 05:49:48,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [7431] [2024-12-02 05:49:48,447 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_7a973359-9e79-4253-bc67-5cd0cceab70d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i[297077,297090] [2024-12-02 05:49:48,454 WARN L640 FunctionHandler]: implicit declaration of function ldv_assume [2024-12-02 05:49:48,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:48,530 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: ldv_assume [2024-12-02 05:49:48,538 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:49:48,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48 WrapperNode [2024-12-02 05:49:48,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:48,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:48,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:49:48,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:49:48,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,836 INFO L138 Inliner]: procedures = 357, calls = 3967, calls flagged for inlining = 134, calls inlined = 132, statements flattened = 7482 [2024-12-02 05:49:48,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:48,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:49:48,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:49:48,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:49:48,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:48,880 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:51,022 INFO L175 MemorySlicer]: Split 2193 memory accesses to 55 slices as follows [8, 8, 4, 5, 4, 8, 2, 1678, 8, 6, 43, 8, 6, 8, 8, 16, 2, 8, 8, 8, 26, 8, 8, 3, 3, 8, 9, 2, 8, 8, 47, 6, 8, 8, 8, 8, 8, 8, 8, 8, 8, 26, 3, 3, 9, 25, 9, 2, 11, 6, 19, 2, 8, 8, 8]. 77 percent of accesses are in the largest equivalence class. The 205 initializations are split as follows [0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 8, 0, 8, 8, 0, 0, 8, 8, 0, 0, 8, 8, 3, 3, 0, 0, 0, 8, 8, 47, 0, 8, 8, 8, 8, 8, 0, 8, 8, 8, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0]. The 559 writes are split as follows [4, 4, 1, 3, 1, 4, 0, 394, 4, 3, 43, 0, 3, 0, 0, 6, 1, 0, 0, 4, 11, 0, 0, 0, 0, 4, 5, 1, 0, 0, 0, 3, 0, 0, 0, 0, 0, 4, 0, 0, 0, 8, 0, 0, 4, 11, 3, 1, 7, 3, 10, 1, 4, 0, 4]. [2024-12-02 05:49:51,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:51,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:51,164 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:51,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:51,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:51,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:51,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:51,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:49:51,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:49:51,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:49:51,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:49:51,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (1/1) ... [2024-12-02 05:49:51,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:51,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:51,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:49:51,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:49:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-12-02 05:49:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-12-02 05:49:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure ring_desc_base [2024-12-02 05:49:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_desc_base [2024-12-02 05:49:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure thunderbolt_shutdown_and_free [2024-12-02 05:49:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thunderbolt_shutdown_and_free [2024-12-02 05:49:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_shutdown [2024-12-02 05:49:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_shutdown [2024-12-02 05:49:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 05:49:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 05:49:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_port [2024-12-02 05:49:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_port [2024-12-02 05:49:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_active [2024-12-02 05:49:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_active [2024-12-02 05:49:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2024-12-02 05:49:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2024-12-02 05:49:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 05:49:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 05:49:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 05:49:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 05:49:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 05:49:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 05:49:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#31 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#32 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#33 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#34 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#35 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#36 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#37 [2024-12-02 05:49:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#38 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#39 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#40 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#41 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#42 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#43 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#44 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#45 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#46 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#47 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#48 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#49 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#50 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#51 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#52 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#53 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#54 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 05:49:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 05:49:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 05:49:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 05:49:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 05:49:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 05:49:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 05:49:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 05:49:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 05:49:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 05:49:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 05:49:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 05:49:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 05:49:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 05:49:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 05:49:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 05:49:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 05:49:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 05:49:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 05:49:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#32 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#33 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#34 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#35 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#36 [2024-12-02 05:49:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#37 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#38 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#39 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#40 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#41 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#42 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#43 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#44 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#45 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#46 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#47 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#48 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#49 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#50 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#51 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#52 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#53 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#54 [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 05:49:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 05:49:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 05:49:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 05:49:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_read_n [2024-12-02 05:49:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_read_n [2024-12-02 05:49:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 05:49:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 05:49:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_tx [2024-12-02 05:49:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_tx [2024-12-02 05:49:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_read [2024-12-02 05:49:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_read [2024-12-02 05:49:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure ring_work [2024-12-02 05:49:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_work [2024-12-02 05:49:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_get_drom_offset [2024-12-02 05:49:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_get_drom_offset [2024-12-02 05:49:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2024-12-02 05:49:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2024-12-02 05:49:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_free [2024-12-02 05:49:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_free [2024-12-02 05:49:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-12-02 05:49:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-12-02 05:49:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite16desc [2024-12-02 05:49:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite16desc [2024-12-02 05:49:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32options [2024-12-02 05:49:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32options [2024-12-02 05:49:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_free [2024-12-02 05:49:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_free [2024-12-02 05:49:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_active [2024-12-02 05:49:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_active [2024-12-02 05:49:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-12-02 05:49:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-12-02 05:49:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure tb_find_cap [2024-12-02 05:49:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_find_cap [2024-12-02 05:49:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 05:49:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 05:49:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 05:49:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 05:49:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_deactivate [2024-12-02 05:49:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_deactivate [2024-12-02 05:49:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_write [2024-12-02 05:49:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_write [2024-12-02 05:49:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx_submit [2024-12-02 05:49:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx_submit [2024-12-02 05:49:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_disable_interrupts [2024-12-02 05:49:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_disable_interrupts [2024-12-02 05:49:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-12-02 05:49:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-12-02 05:49:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure get_route [2024-12-02 05:49:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure get_route [2024-12-02 05:49:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure check_header [2024-12-02 05:49:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure check_header [2024-12-02 05:49:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:49:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:49:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_alloc [2024-12-02 05:49:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_alloc [2024-12-02 05:49:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-12-02 05:49:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-12-02 05:49:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_suspend_noirq [2024-12-02 05:49:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_suspend_noirq [2024-12-02 05:49:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_read [2024-12-02 05:49:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_read [2024-12-02 05:49:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_port_active [2024-12-02 05:49:51,374 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_port_active [2024-12-02 05:49:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure tb_activate_pcie_devices [2024-12-02 05:49:51,374 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_activate_pcie_devices [2024-12-02 05:49:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_suspend [2024-12-02 05:49:51,374 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_suspend [2024-12-02 05:49:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_alloc [2024-12-02 05:49:51,374 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_alloc [2024-12-02 05:49:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure tb_drom_read_uid_only [2024-12-02 05:49:51,374 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_drom_read_uid_only [2024-12-02 05:49:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 05:49:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 05:49:51,375 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 05:49:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_write [2024-12-02 05:49:51,375 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_write [2024-12-02 05:49:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_activate [2024-12-02 05:49:51,375 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_activate [2024-12-02 05:49:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_interrupt_work [2024-12-02 05:49:51,375 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_interrupt_work [2024-12-02 05:49:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 05:49:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 05:49:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 05:49:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 05:49:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-12-02 05:49:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#36 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#37 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#38 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#39 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#40 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#41 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#42 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#43 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#44 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#45 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#46 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#47 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#48 [2024-12-02 05:49:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#49 [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#50 [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#51 [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#52 [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#53 [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#54 [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 05:49:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2024-12-02 05:49:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 05:49:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2024-12-02 05:49:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read_raw [2024-12-02 05:49:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read_raw [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 05:49:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_long [2024-12-02 05:49:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_long [2024-12-02 05:49:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_set_unpplugged [2024-12-02 05:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_set_unpplugged [2024-12-02 05:49:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32desc [2024-12-02 05:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32desc [2024-12-02 05:49:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 05:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 05:49:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route_length [2024-12-02 05:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route_length [2024-12-02 05:49:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_resume_noirq [2024-12-02 05:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_resume_noirq [2024-12-02 05:49:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-12-02 05:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-12-02 05:49:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 05:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 05:49:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-12-02 05:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-12-02 05:49:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-12-02 05:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-12-02 05:49:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc8 [2024-12-02 05:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc8 [2024-12-02 05:49:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_alloc [2024-12-02 05:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_alloc [2024-12-02 05:49:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-12-02 05:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2024-12-02 05:49:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure ring_free [2024-12-02 05:49:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_free [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-12-02 05:49:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure ring_write_descriptors [2024-12-02 05:49:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_write_descriptors [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 05:49:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#31 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#32 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#33 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#34 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#35 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#36 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#37 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#38 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#39 [2024-12-02 05:49:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#40 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#41 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#42 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#43 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#44 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#45 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#46 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#47 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#48 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#49 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#50 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#51 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#52 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#53 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#54 [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite64desc [2024-12-02 05:49:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite64desc [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deallocate_nfc [2024-12-02 05:49:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deallocate_nfc [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_unplugged_children [2024-12-02 05:49:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_unplugged_children [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc [2024-12-02 05:49:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc [2024-12-02 05:49:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-12-02 05:49:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 05:49:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#32 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#33 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#34 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#35 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#36 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#37 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#38 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#39 [2024-12-02 05:49:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#40 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#41 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#42 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#43 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#44 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#45 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#46 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#47 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#48 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#49 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#50 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#51 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#52 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#53 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#54 [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure tb_plug_events_active [2024-12-02 05:49:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_plug_events_active [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2024-12-02 05:49:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 05:49:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 05:49:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_stop [2024-12-02 05:49:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_stop [2024-12-02 05:49:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-12-02 05:49:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#49 [2024-12-02 05:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#50 [2024-12-02 05:49:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#51 [2024-12-02 05:49:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#52 [2024-12-02 05:49:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#53 [2024-12-02 05:49:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#54 [2024-12-02 05:49:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_resume [2024-12-02 05:49:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_resume [2024-12-02 05:49:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_print_error [2024-12-02 05:49:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_print_error [2024-12-02 05:49:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure tb_wait_for_port [2024-12-02 05:49:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_wait_for_port [2024-12-02 05:49:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 05:49:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 05:49:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 05:49:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 05:49:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 05:49:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2024-12-02 05:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2024-12-02 05:49:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#30 [2024-12-02 05:49:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#31 [2024-12-02 05:49:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#32 [2024-12-02 05:49:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#33 [2024-12-02 05:49:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#34 [2024-12-02 05:49:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#35 [2024-12-02 05:49:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#36 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#37 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#38 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#39 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#40 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#41 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#42 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#43 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#44 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#45 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#46 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#47 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#48 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#49 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#50 [2024-12-02 05:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#51 [2024-12-02 05:49:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#52 [2024-12-02 05:49:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#53 [2024-12-02 05:49:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#54 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-12-02 05:49:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2024-12-02 05:49:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2024-12-02 05:49:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2024-12-02 05:49:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2024-12-02 05:49:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2024-12-02 05:49:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#30 [2024-12-02 05:49:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#31 [2024-12-02 05:49:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#32 [2024-12-02 05:49:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#33 [2024-12-02 05:49:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#34 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#35 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#36 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#37 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#38 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#39 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#40 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#41 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#42 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#43 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#44 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#45 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#46 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#47 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#48 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#49 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#50 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#51 [2024-12-02 05:49:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#52 [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#53 [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#54 [2024-12-02 05:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_add_nfc_credits [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_add_nfc_credits [2024-12-02 05:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2024-12-02 05:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2024-12-02 05:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_switch [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_switch [2024-12-02 05:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 05:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_start [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_start [2024-12-02 05:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_restart [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_restart [2024-12-02 05:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure ring_start [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_start [2024-12-02 05:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 05:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure check_config_address [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure check_config_address [2024-12-02 05:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure ring_stop [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_stop [2024-12-02 05:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_write [2024-12-02 05:49:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_write [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-12-02 05:49:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-02 05:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#49 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#50 [2024-12-02 05:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#51 [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#52 [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#53 [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#54 [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 05:49:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read [2024-12-02 05:49:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 05:49:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_free [2024-12-02 05:49:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_free [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure __crc32c_le [2024-12-02 05:49:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __crc32c_le [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kcalloc [2024-12-02 05:49:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kcalloc [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_index [2024-12-02 05:49:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_index [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-12-02 05:49:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_free [2024-12-02 05:49:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_free [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_is_invalid [2024-12-02 05:49:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_is_invalid [2024-12-02 05:49:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2024-12-02 05:49:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 05:49:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 05:49:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#36 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#37 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#38 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#39 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#40 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#41 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#42 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#43 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#44 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#45 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#46 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#47 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#48 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#49 [2024-12-02 05:49:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#50 [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#51 [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#52 [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#53 [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#54 [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_transfer [2024-12-02 05:49:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_transfer [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_basic [2024-12-02 05:49:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_basic [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_init_path [2024-12-02 05:49:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_init_path [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deactivate_hops [2024-12-02 05:49:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deactivate_hops [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_free [2024-12-02 05:49:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_free [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure tb_is_upstream_port [2024-12-02 05:49:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_is_upstream_port [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ring_alloc [2024-12-02 05:49:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_alloc [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure tb_upstream_port [2024-12-02 05:49:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_upstream_port [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure __ring_enqueue [2024-12-02 05:49:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __ring_enqueue [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure make_header [2024-12-02 05:49:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure make_header [2024-12-02 05:49:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-12-02 05:49:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_invalid_tunnels [2024-12-02 05:49:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_invalid_tunnels [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2024-12-02 05:49:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_read [2024-12-02 05:49:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_read [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-12-02 05:49:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_deactivate [2024-12-02 05:49:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_deactivate [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 05:49:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_out [2024-12-02 05:49:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_out [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_write [2024-12-02 05:49:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_write [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-12-02 05:49:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-12-02 05:49:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 05:49:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2024-12-02 05:49:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2024-12-02 05:49:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2024-12-02 05:49:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2024-12-02 05:49:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2024-12-02 05:49:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2024-12-02 05:49:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2024-12-02 05:49:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2024-12-02 05:49:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2024-12-02 05:49:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2024-12-02 05:49:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2024-12-02 05:49:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2024-12-02 05:49:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2024-12-02 05:49:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2024-12-02 05:49:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#49 [2024-12-02 05:49:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#50 [2024-12-02 05:49:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#51 [2024-12-02 05:49:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#52 [2024-12-02 05:49:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#53 [2024-12-02 05:49:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#54 [2024-12-02 05:49:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx [2024-12-02 05:49:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx [2024-12-02 05:49:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:49:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:49:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route [2024-12-02 05:49:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route [2024-12-02 05:49:52,788 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:49:52,792 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:08,575 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 05:50:23,782 INFO L? ?]: Removed 4367 outVars from TransFormulas that were not future-live. [2024-12-02 05:50:23,782 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:23,824 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:23,825 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 05:50:23,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:23 BoogieIcfgContainer [2024-12-02 05:50:23,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:23,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:23,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:23,830 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:23,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:49:45" (1/3) ... [2024-12-02 05:50:23,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380ec22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:23, skipping insertion in model container [2024-12-02 05:50:23,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:48" (2/3) ... [2024-12-02 05:50:23,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380ec22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:23, skipping insertion in model container [2024-12-02 05:50:23,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:23" (3/3) ... [2024-12-02 05:50:23,832 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2024-12-02 05:50:23,843 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:23,846 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i that has 188 procedures, 3086 locations, 1 initial locations, 111 loop locations, and 2 error locations. [2024-12-02 05:50:23,929 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:23,938 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;@724256cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:23,939 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 05:50:23,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 2815 states, 1869 states have (on average 1.3130016051364366) internal successors, (2454), 1927 states have internal predecessors, (2454), 811 states have call successors, (811), 133 states have call predecessors, (811), 132 states have return successors, (805), 801 states have call predecessors, (805), 805 states have call successors, (805) [2024-12-02 05:50:23,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 05:50:23,975 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:23,976 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, 1, 1, 1, 1, 1, 1, 1, 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 05:50:23,977 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:23,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:23,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1621757486, now seen corresponding path program 1 times [2024-12-02 05:50:23,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:23,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405855669] [2024-12-02 05:50:23,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:23,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:26,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 05:50:26,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:26,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405855669] [2024-12-02 05:50:26,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405855669] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:26,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:26,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:26,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952156674] [2024-12-02 05:50:26,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:26,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:50:26,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:26,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:50:26,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:26,218 INFO L87 Difference]: Start difference. First operand has 2815 states, 1869 states have (on average 1.3130016051364366) internal successors, (2454), 1927 states have internal predecessors, (2454), 811 states have call successors, (811), 133 states have call predecessors, (811), 132 states have return successors, (805), 801 states have call predecessors, (805), 805 states have call successors, (805) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 05:50:26,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:26,459 INFO L93 Difference]: Finished difference Result 5615 states and 8357 transitions. [2024-12-02 05:50:26,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:50:26,460 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 105 [2024-12-02 05:50:26,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:26,490 INFO L225 Difference]: With dead ends: 5615 [2024-12-02 05:50:26,490 INFO L226 Difference]: Without dead ends: 2788 [2024-12-02 05:50:26,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:26,514 INFO L435 NwaCegarLoop]: 4048 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4048 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:26,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4048 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:26,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2788 states. [2024-12-02 05:50:26,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788. [2024-12-02 05:50:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 1854 states have (on average 1.3063646170442287) internal successors, (2422), 1903 states have internal predecessors, (2422), 803 states have call successors, (803), 131 states have call predecessors, (803), 129 states have return successors, (801), 797 states have call predecessors, (801), 801 states have call successors, (801) [2024-12-02 05:50:26,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4026 transitions. [2024-12-02 05:50:26,767 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 4026 transitions. Word has length 105 [2024-12-02 05:50:26,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:26,769 INFO L471 AbstractCegarLoop]: Abstraction has 2788 states and 4026 transitions. [2024-12-02 05:50:26,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 05:50:26,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 4026 transitions. [2024-12-02 05:50:26,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 05:50:26,781 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:26,781 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, 1, 1, 1, 1, 1, 1, 1, 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 05:50:26,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 05:50:26,781 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:26,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:26,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2782572, now seen corresponding path program 1 times [2024-12-02 05:50:26,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:26,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146208988] [2024-12-02 05:50:26,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:26,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 05:50:28,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:28,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146208988] [2024-12-02 05:50:28,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146208988] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:28,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:28,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:28,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659160108] [2024-12-02 05:50:28,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:28,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:28,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:28,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:28,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:28,881 INFO L87 Difference]: Start difference. First operand 2788 states and 4026 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 05:50:29,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:29,171 INFO L93 Difference]: Finished difference Result 7546 states and 10867 transitions. [2024-12-02 05:50:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:29,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 105 [2024-12-02 05:50:29,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:29,200 INFO L225 Difference]: With dead ends: 7546 [2024-12-02 05:50:29,201 INFO L226 Difference]: Without dead ends: 4766 [2024-12-02 05:50:29,213 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 05:50:29,213 INFO L435 NwaCegarLoop]: 5661 mSDtfsCounter, 2824 mSDsluCounter, 4005 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2824 SdHoareTripleChecker+Valid, 9666 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:29,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2824 Valid, 9666 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 05:50:29,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4766 states. [2024-12-02 05:50:29,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4766 to 4762. [2024-12-02 05:50:29,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4762 states, 3169 states have (on average 1.3064058062480277) internal successors, (4140), 3253 states have internal predecessors, (4140), 1354 states have call successors, (1354), 239 states have call predecessors, (1354), 237 states have return successors, (1352), 1344 states have call predecessors, (1352), 1352 states have call successors, (1352) [2024-12-02 05:50:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4762 states to 4762 states and 6846 transitions. [2024-12-02 05:50:29,423 INFO L78 Accepts]: Start accepts. Automaton has 4762 states and 6846 transitions. Word has length 105 [2024-12-02 05:50:29,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:29,423 INFO L471 AbstractCegarLoop]: Abstraction has 4762 states and 6846 transitions. [2024-12-02 05:50:29,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 05:50:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 4762 states and 6846 transitions. [2024-12-02 05:50:29,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 05:50:29,428 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:29,428 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:29,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:50:29,429 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:29,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:29,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1985699265, now seen corresponding path program 1 times [2024-12-02 05:50:29,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:29,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861104527] [2024-12-02 05:50:29,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:29,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 05:50:31,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:31,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861104527] [2024-12-02 05:50:31,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861104527] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:31,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:31,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:31,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455155890] [2024-12-02 05:50:31,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:31,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:31,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:31,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:31,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:31,626 INFO L87 Difference]: Start difference. First operand 4762 states and 6846 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 05:50:32,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:32,366 INFO L93 Difference]: Finished difference Result 12529 states and 17954 transitions. [2024-12-02 05:50:32,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:32,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-12-02 05:50:32,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:32,431 INFO L225 Difference]: With dead ends: 12529 [2024-12-02 05:50:32,431 INFO L226 Difference]: Without dead ends: 7775 [2024-12-02 05:50:32,460 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 05:50:32,461 INFO L435 NwaCegarLoop]: 6064 mSDtfsCounter, 3530 mSDsluCounter, 3954 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3530 SdHoareTripleChecker+Valid, 10018 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:32,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3530 Valid, 10018 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:50:32,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7775 states. [2024-12-02 05:50:32,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7775 to 7768. [2024-12-02 05:50:32,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7768 states, 5157 states have (on average 1.2999806088811325) internal successors, (6704), 5296 states have internal predecessors, (6704), 2204 states have call successors, (2204), 407 states have call predecessors, (2204), 405 states have return successors, (2202), 2189 states have call predecessors, (2202), 2202 states have call successors, (2202) [2024-12-02 05:50:32,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7768 states to 7768 states and 11110 transitions. [2024-12-02 05:50:32,993 INFO L78 Accepts]: Start accepts. Automaton has 7768 states and 11110 transitions. Word has length 109 [2024-12-02 05:50:32,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:32,993 INFO L471 AbstractCegarLoop]: Abstraction has 7768 states and 11110 transitions. [2024-12-02 05:50:32,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 05:50:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 7768 states and 11110 transitions. [2024-12-02 05:50:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 05:50:33,010 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:33,010 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:33,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 05:50:33,010 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:33,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:33,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1527987187, now seen corresponding path program 1 times [2024-12-02 05:50:33,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:33,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463240161] [2024-12-02 05:50:33,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:33,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:35,695 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-02 05:50:35,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:35,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463240161] [2024-12-02 05:50:35,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463240161] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:35,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:35,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:50:35,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655155167] [2024-12-02 05:50:35,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:35,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:35,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:35,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:35,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:35,698 INFO L87 Difference]: Start difference. First operand 7768 states and 11110 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 05:50:39,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:40,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:40,535 INFO L93 Difference]: Finished difference Result 23226 states and 33234 transitions. [2024-12-02 05:50:40,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:50:40,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 138 [2024-12-02 05:50:40,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:40,615 INFO L225 Difference]: With dead ends: 23226 [2024-12-02 05:50:40,615 INFO L226 Difference]: Without dead ends: 15473 [2024-12-02 05:50:40,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:50:40,641 INFO L435 NwaCegarLoop]: 6551 mSDtfsCounter, 4007 mSDsluCounter, 10550 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4007 SdHoareTripleChecker+Valid, 17101 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:40,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4007 Valid, 17101 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 05:50:40,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15473 states. [2024-12-02 05:50:41,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15473 to 15466. [2024-12-02 05:50:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15466 states, 10262 states have (on average 1.299551744299357) internal successors, (13336), 10540 states have internal predecessors, (13336), 4395 states have call successors, (4395), 809 states have call predecessors, (4395), 807 states have return successors, (4393), 4366 states have call predecessors, (4393), 4393 states have call successors, (4393) [2024-12-02 05:50:41,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15466 states to 15466 states and 22124 transitions. [2024-12-02 05:50:41,219 INFO L78 Accepts]: Start accepts. Automaton has 15466 states and 22124 transitions. Word has length 138 [2024-12-02 05:50:41,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:41,220 INFO L471 AbstractCegarLoop]: Abstraction has 15466 states and 22124 transitions. [2024-12-02 05:50:41,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 05:50:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 15466 states and 22124 transitions. [2024-12-02 05:50:41,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 05:50:41,236 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:41,236 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:41,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 05:50:41,236 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:41,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:41,237 INFO L85 PathProgramCache]: Analyzing trace with hash -625119631, now seen corresponding path program 1 times [2024-12-02 05:50:41,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:41,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429343763] [2024-12-02 05:50:41,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:41,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-02 05:50:42,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:42,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429343763] [2024-12-02 05:50:42,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429343763] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:42,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:42,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:42,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914519314] [2024-12-02 05:50:42,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:42,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:42,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:42,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:42,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:42,993 INFO L87 Difference]: Start difference. First operand 15466 states and 22124 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 05:50:47,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:47,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:47,484 INFO L93 Difference]: Finished difference Result 23782 states and 33960 transitions. [2024-12-02 05:50:47,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:47,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 138 [2024-12-02 05:50:47,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:47,548 INFO L225 Difference]: With dead ends: 23782 [2024-12-02 05:50:47,548 INFO L226 Difference]: Without dead ends: 8327 [2024-12-02 05:50:47,605 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 05:50:47,606 INFO L435 NwaCegarLoop]: 4026 mSDtfsCounter, 0 mSDsluCounter, 4021 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8047 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:47,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8047 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 05:50:47,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8327 states. [2024-12-02 05:50:47,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8327 to 8296. [2024-12-02 05:50:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8296 states, 5512 states have (on average 1.2978955007256894) internal successors, (7154), 5663 states have internal predecessors, (7154), 2329 states have call successors, (2329), 455 states have call predecessors, (2329), 453 states have return successors, (2327), 2314 states have call predecessors, (2327), 2327 states have call successors, (2327) [2024-12-02 05:50:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8296 states to 8296 states and 11810 transitions. [2024-12-02 05:50:47,958 INFO L78 Accepts]: Start accepts. Automaton has 8296 states and 11810 transitions. Word has length 138 [2024-12-02 05:50:47,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:47,958 INFO L471 AbstractCegarLoop]: Abstraction has 8296 states and 11810 transitions. [2024-12-02 05:50:47,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 05:50:47,959 INFO L276 IsEmpty]: Start isEmpty. Operand 8296 states and 11810 transitions. [2024-12-02 05:50:47,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 05:50:47,967 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:47,967 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:47,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 05:50:47,967 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:47,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:47,968 INFO L85 PathProgramCache]: Analyzing trace with hash -895413238, now seen corresponding path program 1 times [2024-12-02 05:50:47,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:47,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401365491] [2024-12-02 05:50:47,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:47,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-02 05:50:50,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:50,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401365491] [2024-12-02 05:50:50,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401365491] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:50,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:50,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:50:50,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481067744] [2024-12-02 05:50:50,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:50,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:50,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:50,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:50,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:50,143 INFO L87 Difference]: Start difference. First operand 8296 states and 11810 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 05:50:54,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:50:54,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:54,469 INFO L93 Difference]: Finished difference Result 16032 states and 22873 transitions. [2024-12-02 05:50:54,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:50:54,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 141 [2024-12-02 05:50:54,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:54,504 INFO L225 Difference]: With dead ends: 16032 [2024-12-02 05:50:54,504 INFO L226 Difference]: Without dead ends: 8281 [2024-12-02 05:50:54,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:54,523 INFO L435 NwaCegarLoop]: 4024 mSDtfsCounter, 0 mSDsluCounter, 8042 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12066 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:54,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12066 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 05:50:54,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8281 states. [2024-12-02 05:50:54,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8281 to 8278. [2024-12-02 05:50:54,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8278 states, 5498 states have (on average 1.2979265187340852) internal successors, (7136), 5649 states have internal predecessors, (7136), 2326 states have call successors, (2326), 454 states have call predecessors, (2326), 452 states have return successors, (2324), 2311 states have call predecessors, (2324), 2324 states have call successors, (2324) [2024-12-02 05:50:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8278 states to 8278 states and 11786 transitions. [2024-12-02 05:50:54,767 INFO L78 Accepts]: Start accepts. Automaton has 8278 states and 11786 transitions. Word has length 141 [2024-12-02 05:50:54,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:54,768 INFO L471 AbstractCegarLoop]: Abstraction has 8278 states and 11786 transitions. [2024-12-02 05:50:54,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 05:50:54,768 INFO L276 IsEmpty]: Start isEmpty. Operand 8278 states and 11786 transitions. [2024-12-02 05:50:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 05:50:54,777 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:54,778 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:54,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 05:50:54,778 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:54,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:54,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1858117856, now seen corresponding path program 1 times [2024-12-02 05:50:54,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:54,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466545865] [2024-12-02 05:50:54,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:54,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-02 05:50:56,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:56,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466545865] [2024-12-02 05:50:56,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466545865] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:56,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:56,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:56,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721162349] [2024-12-02 05:50:56,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:56,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:56,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:56,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:56,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:56,614 INFO L87 Difference]: Start difference. First operand 8278 states and 11786 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 05:51:00,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:01,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:01,002 INFO L93 Difference]: Finished difference Result 19508 states and 27789 transitions. [2024-12-02 05:51:01,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:01,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 155 [2024-12-02 05:51:01,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:01,057 INFO L225 Difference]: With dead ends: 19508 [2024-12-02 05:51:01,057 INFO L226 Difference]: Without dead ends: 11781 [2024-12-02 05:51:01,084 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 05:51:01,084 INFO L435 NwaCegarLoop]: 6167 mSDtfsCounter, 3984 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3984 SdHoareTripleChecker+Valid, 9214 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:01,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3984 Valid, 9214 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 05:51:01,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11781 states. [2024-12-02 05:51:01,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11781 to 11774. [2024-12-02 05:51:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11774 states, 7807 states have (on average 1.2953759446650441) internal successors, (10113), 8025 states have internal predecessors, (10113), 3307 states have call successors, (3307), 660 states have call predecessors, (3307), 658 states have return successors, (3305), 3288 states have call predecessors, (3305), 3305 states have call successors, (3305) [2024-12-02 05:51:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11774 states to 11774 states and 16725 transitions. [2024-12-02 05:51:01,459 INFO L78 Accepts]: Start accepts. Automaton has 11774 states and 16725 transitions. Word has length 155 [2024-12-02 05:51:01,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:01,459 INFO L471 AbstractCegarLoop]: Abstraction has 11774 states and 16725 transitions. [2024-12-02 05:51:01,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 05:51:01,460 INFO L276 IsEmpty]: Start isEmpty. Operand 11774 states and 16725 transitions. [2024-12-02 05:51:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 05:51:01,471 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:01,471 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:01,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 05:51:01,471 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:01,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:01,472 INFO L85 PathProgramCache]: Analyzing trace with hash 239513397, now seen corresponding path program 1 times [2024-12-02 05:51:01,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:01,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644017652] [2024-12-02 05:51:01,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:01,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:03,533 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-02 05:51:03,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:03,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644017652] [2024-12-02 05:51:03,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644017652] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:03,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:03,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:51:03,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944144765] [2024-12-02 05:51:03,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:03,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:03,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:03,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:03,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:51:03,535 INFO L87 Difference]: Start difference. First operand 11774 states and 16725 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 05:51:07,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:08,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:08,223 INFO L93 Difference]: Finished difference Result 27508 states and 39131 transitions. [2024-12-02 05:51:08,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:08,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 159 [2024-12-02 05:51:08,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:08,288 INFO L225 Difference]: With dead ends: 27508 [2024-12-02 05:51:08,288 INFO L226 Difference]: Without dead ends: 16285 [2024-12-02 05:51:08,323 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 05:51:08,323 INFO L435 NwaCegarLoop]: 6590 mSDtfsCounter, 3582 mSDsluCounter, 3951 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3582 SdHoareTripleChecker+Valid, 10541 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:08,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3582 Valid, 10541 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 82 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 05:51:08,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16285 states. [2024-12-02 05:51:08,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16285 to 16254. [2024-12-02 05:51:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16254 states, 10801 states have (on average 1.2943245995741135) internal successors, (13980), 11100 states have internal predecessors, (13980), 4536 states have call successors, (4536), 917 states have call predecessors, (4536), 915 states have return successors, (4534), 4512 states have call predecessors, (4534), 4534 states have call successors, (4534) [2024-12-02 05:51:08,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16254 states to 16254 states and 23050 transitions. [2024-12-02 05:51:08,802 INFO L78 Accepts]: Start accepts. Automaton has 16254 states and 23050 transitions. Word has length 159 [2024-12-02 05:51:08,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:08,802 INFO L471 AbstractCegarLoop]: Abstraction has 16254 states and 23050 transitions. [2024-12-02 05:51:08,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 05:51:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand 16254 states and 23050 transitions. [2024-12-02 05:51:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 05:51:08,812 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:08,812 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:08,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 05:51:08,812 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:08,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:08,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1886668720, now seen corresponding path program 1 times [2024-12-02 05:51:08,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:08,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993688380] [2024-12-02 05:51:08,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:08,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-02 05:51:10,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:10,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993688380] [2024-12-02 05:51:10,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993688380] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:51:10,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014353738] [2024-12-02 05:51:10,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:10,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:51:10,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:51:10,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:51:10,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:51:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:13,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 3713 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 05:51:13,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:13,125 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 05:51:13,125 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:13,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014353738] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:13,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:51:13,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-12-02 05:51:13,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473803867] [2024-12-02 05:51:13,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:13,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:13,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:13,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:13,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:51:13,127 INFO L87 Difference]: Start difference. First operand 16254 states and 23050 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:13,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:13,343 INFO L93 Difference]: Finished difference Result 16267 states and 23072 transitions. [2024-12-02 05:51:13,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:13,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 05:51:13,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:13,401 INFO L225 Difference]: With dead ends: 16267 [2024-12-02 05:51:13,401 INFO L226 Difference]: Without dead ends: 16264 [2024-12-02 05:51:13,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:51:13,410 INFO L435 NwaCegarLoop]: 4022 mSDtfsCounter, 0 mSDsluCounter, 4017 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8039 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:13,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8039 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:51:13,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16264 states. [2024-12-02 05:51:14,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16264 to 16264. [2024-12-02 05:51:14,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16264 states, 10811 states have (on average 1.2940523540838036) internal successors, (13990), 11110 states have internal predecessors, (13990), 4536 states have call successors, (4536), 917 states have call predecessors, (4536), 915 states have return successors, (4534), 4512 states have call predecessors, (4534), 4534 states have call successors, (4534) [2024-12-02 05:51:14,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16264 states to 16264 states and 23060 transitions. [2024-12-02 05:51:14,133 INFO L78 Accepts]: Start accepts. Automaton has 16264 states and 23060 transitions. Word has length 162 [2024-12-02 05:51:14,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:14,134 INFO L471 AbstractCegarLoop]: Abstraction has 16264 states and 23060 transitions. [2024-12-02 05:51:14,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:14,134 INFO L276 IsEmpty]: Start isEmpty. Operand 16264 states and 23060 transitions. [2024-12-02 05:51:14,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 05:51:14,146 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:14,146 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:14,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:51:14,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:51:14,347 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:14,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:14,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1964090752, now seen corresponding path program 1 times [2024-12-02 05:51:14,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:14,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913747029] [2024-12-02 05:51:14,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:14,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-02 05:51:15,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:15,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913747029] [2024-12-02 05:51:15,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913747029] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:51:15,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083901981] [2024-12-02 05:51:15,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:15,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:51:15,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:51:15,921 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:51:15,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 05:51:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:18,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 3716 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 05:51:18,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:19,554 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 05:51:19,555 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:19,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083901981] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:19,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:51:19,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-12-02 05:51:19,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594220713] [2024-12-02 05:51:19,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:19,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:51:19,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:19,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:51:19,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:51:19,556 INFO L87 Difference]: Start difference. First operand 16264 states and 23060 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:19,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:19,955 INFO L93 Difference]: Finished difference Result 32460 states and 46817 transitions. [2024-12-02 05:51:19,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:51:19,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 163 [2024-12-02 05:51:19,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:20,028 INFO L225 Difference]: With dead ends: 32460 [2024-12-02 05:51:20,028 INFO L226 Difference]: Without dead ends: 16211 [2024-12-02 05:51:20,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:51:20,083 INFO L435 NwaCegarLoop]: 4010 mSDtfsCounter, 3868 mSDsluCounter, 4010 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3868 SdHoareTripleChecker+Valid, 8020 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:20,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3868 Valid, 8020 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:51:20,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16211 states. [2024-12-02 05:51:20,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16211 to 16211. [2024-12-02 05:51:20,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16211 states, 10760 states have (on average 1.291728624535316) internal successors, (13899), 11058 states have internal predecessors, (13899), 4535 states have call successors, (4535), 916 states have call predecessors, (4535), 915 states have return successors, (4534), 4512 states have call predecessors, (4534), 4534 states have call successors, (4534) [2024-12-02 05:51:20,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16211 states to 16211 states and 22968 transitions. [2024-12-02 05:51:20,746 INFO L78 Accepts]: Start accepts. Automaton has 16211 states and 22968 transitions. Word has length 163 [2024-12-02 05:51:20,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:20,747 INFO L471 AbstractCegarLoop]: Abstraction has 16211 states and 22968 transitions. [2024-12-02 05:51:20,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 05:51:20,747 INFO L276 IsEmpty]: Start isEmpty. Operand 16211 states and 22968 transitions. [2024-12-02 05:51:20,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2024-12-02 05:51:20,823 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:20,823 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:20,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 05:51:21,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 05:51:21,024 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:21,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:21,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1795597889, now seen corresponding path program 1 times [2024-12-02 05:51:21,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:21,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347553434] [2024-12-02 05:51:21,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:21,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2024-12-02 05:51:22,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:22,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347553434] [2024-12-02 05:51:22,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347553434] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:22,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:22,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:51:22,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960464459] [2024-12-02 05:51:22,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:22,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:51:22,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:22,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:51:22,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:51:22,834 INFO L87 Difference]: Start difference. First operand 16211 states and 22968 transitions. Second operand has 4 states, 4 states have (on average 66.75) internal successors, (267), 4 states have internal predecessors, (267), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-12-02 05:51:23,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:23,678 INFO L93 Difference]: Finished difference Result 31881 states and 45217 transitions. [2024-12-02 05:51:23,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:51:23,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.75) internal successors, (267), 4 states have internal predecessors, (267), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 688 [2024-12-02 05:51:23,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:23,797 INFO L225 Difference]: With dead ends: 31881 [2024-12-02 05:51:23,797 INFO L226 Difference]: Without dead ends: 16217 [2024-12-02 05:51:23,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:51:23,875 INFO L435 NwaCegarLoop]: 4007 mSDtfsCounter, 1 mSDsluCounter, 7995 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12002 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:23,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12002 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 05:51:23,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16217 states. [2024-12-02 05:51:24,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16217 to 16217. [2024-12-02 05:51:24,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16217 states, 10766 states have (on average 1.2915660412409438) internal successors, (13905), 11064 states have internal predecessors, (13905), 4535 states have call successors, (4535), 916 states have call predecessors, (4535), 915 states have return successors, (4534), 4512 states have call predecessors, (4534), 4534 states have call successors, (4534) [2024-12-02 05:51:24,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16217 states to 16217 states and 22974 transitions. [2024-12-02 05:51:24,695 INFO L78 Accepts]: Start accepts. Automaton has 16217 states and 22974 transitions. Word has length 688 [2024-12-02 05:51:24,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:24,696 INFO L471 AbstractCegarLoop]: Abstraction has 16217 states and 22974 transitions. [2024-12-02 05:51:24,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.75) internal successors, (267), 4 states have internal predecessors, (267), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-12-02 05:51:24,696 INFO L276 IsEmpty]: Start isEmpty. Operand 16217 states and 22974 transitions. [2024-12-02 05:51:24,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2024-12-02 05:51:24,758 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:24,759 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:24,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 05:51:24,759 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:24,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:24,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1862632509, now seen corresponding path program 1 times [2024-12-02 05:51:24,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:24,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164195911] [2024-12-02 05:51:24,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:24,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2024-12-02 05:51:26,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:26,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164195911] [2024-12-02 05:51:26,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164195911] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:26,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:26,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:51:26,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636546985] [2024-12-02 05:51:26,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:26,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:26,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:26,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:26,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:51:26,234 INFO L87 Difference]: Start difference. First operand 16217 states and 22974 transitions. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-12-02 05:51:26,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:26,589 INFO L93 Difference]: Finished difference Result 31890 states and 45226 transitions. [2024-12-02 05:51:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:26,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 688 [2024-12-02 05:51:26,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:26,649 INFO L225 Difference]: With dead ends: 31890 [2024-12-02 05:51:26,649 INFO L226 Difference]: Without dead ends: 16220 [2024-12-02 05:51:26,688 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 05:51:26,688 INFO L435 NwaCegarLoop]: 4012 mSDtfsCounter, 0 mSDsluCounter, 4006 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8018 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 05:51:26,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8018 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:51:26,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16220 states. [2024-12-02 05:51:27,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16220 to 16220. [2024-12-02 05:51:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16220 states, 10769 states have (on average 1.2914848175318043) internal successors, (13908), 11067 states have internal predecessors, (13908), 4535 states have call successors, (4535), 916 states have call predecessors, (4535), 915 states have return successors, (4534), 4512 states have call predecessors, (4534), 4534 states have call successors, (4534) [2024-12-02 05:51:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16220 states to 16220 states and 22977 transitions. [2024-12-02 05:51:27,174 INFO L78 Accepts]: Start accepts. Automaton has 16220 states and 22977 transitions. Word has length 688 [2024-12-02 05:51:27,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:27,174 INFO L471 AbstractCegarLoop]: Abstraction has 16220 states and 22977 transitions. [2024-12-02 05:51:27,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-12-02 05:51:27,174 INFO L276 IsEmpty]: Start isEmpty. Operand 16220 states and 22977 transitions. [2024-12-02 05:51:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647 [2024-12-02 05:51:27,211 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:27,212 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 9, 9, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:27,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 05:51:27,212 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:27,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:27,212 INFO L85 PathProgramCache]: Analyzing trace with hash 684308608, now seen corresponding path program 1 times [2024-12-02 05:51:27,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:27,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982505011] [2024-12-02 05:51:27,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:27,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:30,460 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2024-12-02 05:51:30,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:30,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982505011] [2024-12-02 05:51:30,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982505011] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:51:30,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026792559] [2024-12-02 05:51:30,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:30,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:51:30,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:51:30,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:51:30,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 05:51:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:35,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 8593 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 05:51:35,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:35,577 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2024-12-02 05:51:35,577 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:51:35,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026792559] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:35,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:51:35,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-12-02 05:51:35,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976547231] [2024-12-02 05:51:35,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:35,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:35,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:35,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:35,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:51:35,579 INFO L87 Difference]: Start difference. First operand 16220 states and 22977 transitions. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2024-12-02 05:51:36,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:36,351 INFO L93 Difference]: Finished difference Result 31913 states and 45268 transitions. [2024-12-02 05:51:36,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:36,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 646 [2024-12-02 05:51:36,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:36,468 INFO L225 Difference]: With dead ends: 31913 [2024-12-02 05:51:36,468 INFO L226 Difference]: Without dead ends: 16240 [2024-12-02 05:51:36,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:51:36,516 INFO L435 NwaCegarLoop]: 4010 mSDtfsCounter, 2 mSDsluCounter, 4007 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 8017 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:36,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 8017 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:51:36,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16240 states. [2024-12-02 05:51:37,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16240 to 16225. [2024-12-02 05:51:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16225 states, 10774 states have (on average 1.2913495452014108) internal successors, (13913), 11072 states have internal predecessors, (13913), 4535 states have call successors, (4535), 916 states have call predecessors, (4535), 915 states have return successors, (4534), 4512 states have call predecessors, (4534), 4534 states have call successors, (4534) [2024-12-02 05:51:37,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16225 states to 16225 states and 22982 transitions. [2024-12-02 05:51:37,105 INFO L78 Accepts]: Start accepts. Automaton has 16225 states and 22982 transitions. Word has length 646 [2024-12-02 05:51:37,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:37,105 INFO L471 AbstractCegarLoop]: Abstraction has 16225 states and 22982 transitions. [2024-12-02 05:51:37,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2024-12-02 05:51:37,106 INFO L276 IsEmpty]: Start isEmpty. Operand 16225 states and 22982 transitions. [2024-12-02 05:51:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2024-12-02 05:51:37,151 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:37,152 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:37,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 05:51:37,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:51:37,352 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:37,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:37,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1172242222, now seen corresponding path program 1 times [2024-12-02 05:51:37,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:37,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610188301] [2024-12-02 05:51:37,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:37,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:39,804 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2024-12-02 05:51:39,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:39,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610188301] [2024-12-02 05:51:39,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610188301] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:51:39,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533194942] [2024-12-02 05:51:39,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:39,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:51:39,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:51:39,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:51:39,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 05:51:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:43,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 8851 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 05:51:43,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:43,657 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 325 proven. 1 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2024-12-02 05:51:43,657 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:51:47,836 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2024-12-02 05:51:47,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533194942] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:51:47,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:51:47,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2024-12-02 05:51:47,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104488074] [2024-12-02 05:51:47,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:51:47,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 05:51:47,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:47,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 05:51:47,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:51:47,839 INFO L87 Difference]: Start difference. First operand 16225 states and 22982 transitions. Second operand has 11 states, 10 states have (on average 39.4) internal successors, (394), 10 states have internal predecessors, (394), 5 states have call successors, (107), 2 states have call predecessors, (107), 3 states have return successors, (104), 5 states have call predecessors, (104), 5 states have call successors, (104) [2024-12-02 05:51:51,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:56,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:56,727 INFO L93 Difference]: Finished difference Result 31993 states and 45393 transitions. [2024-12-02 05:51:56,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 05:51:56,728 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 39.4) internal successors, (394), 10 states have internal predecessors, (394), 5 states have call successors, (107), 2 states have call predecessors, (107), 3 states have return successors, (104), 5 states have call predecessors, (104), 5 states have call successors, (104) Word has length 723 [2024-12-02 05:51:56,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:56,808 INFO L225 Difference]: With dead ends: 31993 [2024-12-02 05:51:56,808 INFO L226 Difference]: Without dead ends: 16315 [2024-12-02 05:51:56,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1455 GetRequests, 1445 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-12-02 05:51:56,857 INFO L435 NwaCegarLoop]: 4062 mSDtfsCounter, 710 mSDsluCounter, 28095 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 32157 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:56,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 32157 Invalid, 1169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1165 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2024-12-02 05:51:56,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16315 states. [2024-12-02 05:51:57,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16315 to 16285. [2024-12-02 05:51:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16285 states, 10819 states have (on average 1.289675570755153) internal successors, (13953), 11112 states have internal predecessors, (13953), 4550 states have call successors, (4550), 916 states have call predecessors, (4550), 915 states have return successors, (4549), 4527 states have call predecessors, (4549), 4549 states have call successors, (4549) [2024-12-02 05:51:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16285 states to 16285 states and 23052 transitions. [2024-12-02 05:51:57,447 INFO L78 Accepts]: Start accepts. Automaton has 16285 states and 23052 transitions. Word has length 723 [2024-12-02 05:51:57,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:57,447 INFO L471 AbstractCegarLoop]: Abstraction has 16285 states and 23052 transitions. [2024-12-02 05:51:57,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 39.4) internal successors, (394), 10 states have internal predecessors, (394), 5 states have call successors, (107), 2 states have call predecessors, (107), 3 states have return successors, (104), 5 states have call predecessors, (104), 5 states have call successors, (104) [2024-12-02 05:51:57,448 INFO L276 IsEmpty]: Start isEmpty. Operand 16285 states and 23052 transitions. [2024-12-02 05:51:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 829 [2024-12-02 05:51:57,490 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:57,491 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 9, 9, 9, 9, 8, 8, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:57,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 05:51:57,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:51:57,691 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:57,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:57,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1840744862, now seen corresponding path program 1 times [2024-12-02 05:51:57,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:57,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77815477] [2024-12-02 05:51:57,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1640 trivial. 0 not checked. [2024-12-02 05:52:00,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:00,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77815477] [2024-12-02 05:52:00,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77815477] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:00,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:52:00,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:52:00,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086125960] [2024-12-02 05:52:00,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:00,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:52:00,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:00,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:52:00,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:52:00,102 INFO L87 Difference]: Start difference. First operand 16285 states and 23052 transitions. Second operand has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 2 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2024-12-02 05:52:00,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:00,514 INFO L93 Difference]: Finished difference Result 32029 states and 45400 transitions. [2024-12-02 05:52:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:52:00,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 2 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) Word has length 828 [2024-12-02 05:52:00,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:00,589 INFO L225 Difference]: With dead ends: 32029 [2024-12-02 05:52:00,589 INFO L226 Difference]: Without dead ends: 16291 [2024-12-02 05:52:00,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:52:00,635 INFO L435 NwaCegarLoop]: 4010 mSDtfsCounter, 0 mSDsluCounter, 8013 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12023 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:00,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12023 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:52:00,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16291 states. [2024-12-02 05:52:01,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16291 to 16291. [2024-12-02 05:52:01,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16291 states, 10825 states have (on average 1.2895150115473442) internal successors, (13959), 11118 states have internal predecessors, (13959), 4550 states have call successors, (4550), 916 states have call predecessors, (4550), 915 states have return successors, (4549), 4527 states have call predecessors, (4549), 4549 states have call successors, (4549) [2024-12-02 05:52:01,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16291 states to 16291 states and 23058 transitions. [2024-12-02 05:52:01,116 INFO L78 Accepts]: Start accepts. Automaton has 16291 states and 23058 transitions. Word has length 828 [2024-12-02 05:52:01,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:01,117 INFO L471 AbstractCegarLoop]: Abstraction has 16291 states and 23058 transitions. [2024-12-02 05:52:01,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 2 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2024-12-02 05:52:01,117 INFO L276 IsEmpty]: Start isEmpty. Operand 16291 states and 23058 transitions. [2024-12-02 05:52:01,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830 [2024-12-02 05:52:01,155 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:01,156 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 9, 9, 9, 9, 8, 8, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:01,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 05:52:01,156 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:01,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:01,156 INFO L85 PathProgramCache]: Analyzing trace with hash 631587451, now seen corresponding path program 1 times [2024-12-02 05:52:01,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:01,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630478927] [2024-12-02 05:52:01,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:01,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 44 proven. 12 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2024-12-02 05:52:04,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:04,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630478927] [2024-12-02 05:52:04,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630478927] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:52:04,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650758975] [2024-12-02 05:52:04,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:04,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:52:04,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:52:04,308 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:52:04,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 05:52:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:09,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 9451 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 05:52:09,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:52:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 565 proven. 28 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked. [2024-12-02 05:52:09,564 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:52:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2024-12-02 05:52:14,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650758975] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:52:14,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:52:14,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-12-02 05:52:14,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225669356] [2024-12-02 05:52:14,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:52:14,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 05:52:14,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:14,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 05:52:14,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-12-02 05:52:14,486 INFO L87 Difference]: Start difference. First operand 16291 states and 23058 transitions. Second operand has 17 states, 16 states have (on average 27.5625) internal successors, (441), 16 states have internal predecessors, (441), 11 states have call successors, (147), 2 states have call predecessors, (147), 3 states have return successors, (146), 11 states have call predecessors, (146), 11 states have call successors, (146) [2024-12-02 05:52:18,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:52:23,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:23,381 INFO L93 Difference]: Finished difference Result 32707 states and 47023 transitions. [2024-12-02 05:52:23,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 05:52:23,382 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 27.5625) internal successors, (441), 16 states have internal predecessors, (441), 11 states have call successors, (147), 2 states have call predecessors, (147), 3 states have return successors, (146), 11 states have call predecessors, (146), 11 states have call successors, (146) Word has length 829 [2024-12-02 05:52:23,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:23,481 INFO L225 Difference]: With dead ends: 32707 [2024-12-02 05:52:23,481 INFO L226 Difference]: Without dead ends: 16431 [2024-12-02 05:52:23,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1671 GetRequests, 1652 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2024-12-02 05:52:23,543 INFO L435 NwaCegarLoop]: 4061 mSDtfsCounter, 702 mSDsluCounter, 24040 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 28101 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:23,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 28101 Invalid, 1102 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 1091 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2024-12-02 05:52:23,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16431 states. [2024-12-02 05:52:24,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16431 to 16411. [2024-12-02 05:52:24,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16411 states, 10915 states have (on average 1.2862116353641777) internal successors, (14039), 11198 states have internal predecessors, (14039), 4580 states have call successors, (4580), 916 states have call predecessors, (4580), 915 states have return successors, (4579), 4557 states have call predecessors, (4579), 4579 states have call successors, (4579) [2024-12-02 05:52:24,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16411 states to 16411 states and 23198 transitions. [2024-12-02 05:52:24,173 INFO L78 Accepts]: Start accepts. Automaton has 16411 states and 23198 transitions. Word has length 829 [2024-12-02 05:52:24,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:24,174 INFO L471 AbstractCegarLoop]: Abstraction has 16411 states and 23198 transitions. [2024-12-02 05:52:24,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 27.5625) internal successors, (441), 16 states have internal predecessors, (441), 11 states have call successors, (147), 2 states have call predecessors, (147), 3 states have return successors, (146), 11 states have call predecessors, (146), 11 states have call successors, (146) [2024-12-02 05:52:24,174 INFO L276 IsEmpty]: Start isEmpty. Operand 16411 states and 23198 transitions. [2024-12-02 05:52:24,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1041 [2024-12-02 05:52:24,215 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:24,215 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 15, 15, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:24,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 05:52:24,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:52:24,416 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:24,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:24,416 INFO L85 PathProgramCache]: Analyzing trace with hash -652603491, now seen corresponding path program 1 times [2024-12-02 05:52:24,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:24,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609857915] [2024-12-02 05:52:24,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:24,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:27,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4003 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 3923 trivial. 0 not checked. [2024-12-02 05:52:27,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:27,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609857915] [2024-12-02 05:52:27,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609857915] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:52:27,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326529469] [2024-12-02 05:52:27,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:27,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:52:27,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:52:27,771 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:52:27,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 05:52:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:33,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 10401 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 05:52:33,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:52:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4003 backedges. 656 proven. 0 refuted. 0 times theorem prover too weak. 3347 trivial. 0 not checked. [2024-12-02 05:52:33,504 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:52:33,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326529469] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:33,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:52:33,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-12-02 05:52:33,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147420874] [2024-12-02 05:52:33,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:33,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:52:33,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:33,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:52:33,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:52:33,506 INFO L87 Difference]: Start difference. First operand 16411 states and 23198 transitions. Second operand has 5 states, 5 states have (on average 62.4) internal successors, (312), 4 states have internal predecessors, (312), 2 states have call successors, (87), 2 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 2 states have call successors, (84) [2024-12-02 05:52:33,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:33,930 INFO L93 Difference]: Finished difference Result 32295 states and 45717 transitions. [2024-12-02 05:52:33,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:52:33,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 62.4) internal successors, (312), 4 states have internal predecessors, (312), 2 states have call successors, (87), 2 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 2 states have call successors, (84) Word has length 1040 [2024-12-02 05:52:33,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:34,017 INFO L225 Difference]: With dead ends: 32295 [2024-12-02 05:52:34,017 INFO L226 Difference]: Without dead ends: 16431 [2024-12-02 05:52:34,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1049 GetRequests, 1041 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:52:34,068 INFO L435 NwaCegarLoop]: 4012 mSDtfsCounter, 0 mSDsluCounter, 12031 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16043 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:34,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16043 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:52:34,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16431 states. [2024-12-02 05:52:34,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16431 to 16423. [2024-12-02 05:52:34,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16423 states, 10924 states have (on average 1.2859758330281947) internal successors, (14048), 11207 states have internal predecessors, (14048), 4580 states have call successors, (4580), 916 states have call predecessors, (4580), 918 states have return successors, (4588), 4560 states have call predecessors, (4588), 4579 states have call successors, (4588) [2024-12-02 05:52:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16423 states to 16423 states and 23216 transitions. [2024-12-02 05:52:34,667 INFO L78 Accepts]: Start accepts. Automaton has 16423 states and 23216 transitions. Word has length 1040 [2024-12-02 05:52:34,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:34,668 INFO L471 AbstractCegarLoop]: Abstraction has 16423 states and 23216 transitions. [2024-12-02 05:52:34,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 62.4) internal successors, (312), 4 states have internal predecessors, (312), 2 states have call successors, (87), 2 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 2 states have call successors, (84) [2024-12-02 05:52:34,668 INFO L276 IsEmpty]: Start isEmpty. Operand 16423 states and 23216 transitions. [2024-12-02 05:52:34,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2024-12-02 05:52:34,711 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:34,712 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 15, 15, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:34,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 05:52:34,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:52:34,912 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:34,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:34,913 INFO L85 PathProgramCache]: Analyzing trace with hash 496069352, now seen corresponding path program 1 times [2024-12-02 05:52:34,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:34,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714556133] [2024-12-02 05:52:34,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:34,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:38,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4003 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 3923 trivial. 0 not checked. [2024-12-02 05:52:38,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:38,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714556133] [2024-12-02 05:52:38,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714556133] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:52:38,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674215456] [2024-12-02 05:52:38,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:38,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:52:38,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:52:38,253 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:52:38,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 05:52:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:43,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 10374 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 05:52:43,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:52:43,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4003 backedges. 399 proven. 0 refuted. 0 times theorem prover too weak. 3604 trivial. 0 not checked. [2024-12-02 05:52:43,860 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:52:43,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674215456] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:43,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:52:43,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-12-02 05:52:43,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775028368] [2024-12-02 05:52:43,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:43,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:52:43,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:43,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:52:43,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:52:43,862 INFO L87 Difference]: Start difference. First operand 16423 states and 23216 transitions. Second operand has 6 states, 5 states have (on average 59.2) internal successors, (296), 5 states have internal predecessors, (296), 3 states have call successors, (83), 2 states have call predecessors, (83), 3 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) [2024-12-02 05:52:47,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:47,056 INFO L93 Difference]: Finished difference Result 32851 states and 47162 transitions. [2024-12-02 05:52:47,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 05:52:47,057 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 59.2) internal successors, (296), 5 states have internal predecessors, (296), 3 states have call successors, (83), 2 states have call predecessors, (83), 3 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) Word has length 1034 [2024-12-02 05:52:47,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:47,145 INFO L225 Difference]: With dead ends: 32851 [2024-12-02 05:52:47,145 INFO L226 Difference]: Without dead ends: 16443 [2024-12-02 05:52:47,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1045 GetRequests, 1034 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:52:47,206 INFO L435 NwaCegarLoop]: 3901 mSDtfsCounter, 6 mSDsluCounter, 15480 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 19381 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:47,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 19381 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 05:52:47,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16443 states. [2024-12-02 05:52:47,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16443 to 16423. [2024-12-02 05:52:47,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16423 states, 10924 states have (on average 1.285060417429513) internal successors, (14038), 11197 states have internal predecessors, (14038), 4580 states have call successors, (4580), 916 states have call predecessors, (4580), 918 states have return successors, (4588), 4560 states have call predecessors, (4588), 4579 states have call successors, (4588) [2024-12-02 05:52:47,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16423 states to 16423 states and 23206 transitions. [2024-12-02 05:52:47,712 INFO L78 Accepts]: Start accepts. Automaton has 16423 states and 23206 transitions. Word has length 1034 [2024-12-02 05:52:47,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:47,713 INFO L471 AbstractCegarLoop]: Abstraction has 16423 states and 23206 transitions. [2024-12-02 05:52:47,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 59.2) internal successors, (296), 5 states have internal predecessors, (296), 3 states have call successors, (83), 2 states have call predecessors, (83), 3 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) [2024-12-02 05:52:47,713 INFO L276 IsEmpty]: Start isEmpty. Operand 16423 states and 23206 transitions. [2024-12-02 05:52:47,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1081 [2024-12-02 05:52:47,756 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:47,756 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 15, 15, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:47,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 05:52:47,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:52:47,957 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:47,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:47,957 INFO L85 PathProgramCache]: Analyzing trace with hash -2027149437, now seen corresponding path program 1 times [2024-12-02 05:52:47,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:47,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334315362] [2024-12-02 05:52:47,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:47,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:50,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3898 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3893 trivial. 0 not checked. [2024-12-02 05:52:50,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:50,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334315362] [2024-12-02 05:52:50,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334315362] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:50,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:52:50,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 05:52:50,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109789530] [2024-12-02 05:52:50,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:50,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:52:50,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:50,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:52:50,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:52:50,365 INFO L87 Difference]: Start difference. First operand 16423 states and 23206 transitions. Second operand has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 5 states have internal predecessors, (296), 2 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (73), 4 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-02 05:52:50,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:50,837 INFO L93 Difference]: Finished difference Result 32334 states and 45755 transitions. [2024-12-02 05:52:50,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:52:50,838 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 5 states have internal predecessors, (296), 2 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (73), 4 states have call predecessors, (73), 2 states have call successors, (73) Word has length 1080 [2024-12-02 05:52:50,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:50,972 INFO L225 Difference]: With dead ends: 32334 [2024-12-02 05:52:50,972 INFO L226 Difference]: Without dead ends: 16458 [2024-12-02 05:52:51,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:52:51,040 INFO L435 NwaCegarLoop]: 4016 mSDtfsCounter, 0 mSDsluCounter, 20071 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24087 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:51,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24087 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 05:52:51,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16458 states. [2024-12-02 05:52:51,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16458 to 16438. [2024-12-02 05:52:51,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16438 states, 10936 states have (on average 1.2847476225310899) internal successors, (14050), 11206 states have internal predecessors, (14050), 4580 states have call successors, (4580), 916 states have call predecessors, (4580), 921 states have return successors, (4609), 4566 states have call predecessors, (4609), 4579 states have call successors, (4609) [2024-12-02 05:52:51,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16438 states to 16438 states and 23239 transitions. [2024-12-02 05:52:51,546 INFO L78 Accepts]: Start accepts. Automaton has 16438 states and 23239 transitions. Word has length 1080 [2024-12-02 05:52:51,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:51,547 INFO L471 AbstractCegarLoop]: Abstraction has 16438 states and 23239 transitions. [2024-12-02 05:52:51,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 5 states have internal predecessors, (296), 2 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (73), 4 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-02 05:52:51,548 INFO L276 IsEmpty]: Start isEmpty. Operand 16438 states and 23239 transitions. [2024-12-02 05:52:51,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1075 [2024-12-02 05:52:51,589 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:51,589 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 15, 15, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:51,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 05:52:51,590 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:51,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:51,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1552479000, now seen corresponding path program 1 times [2024-12-02 05:52:51,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:51,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97220889] [2024-12-02 05:52:51,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:51,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:54,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3887 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3882 trivial. 0 not checked. [2024-12-02 05:52:54,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:54,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97220889] [2024-12-02 05:52:54,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97220889] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:52:54,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829275672] [2024-12-02 05:52:54,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:54,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:52:54,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:52:54,105 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:52:54,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 05:52:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:58,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 10470 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 05:52:58,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:52:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3887 backedges. 631 proven. 0 refuted. 0 times theorem prover too weak. 3256 trivial. 0 not checked. [2024-12-02 05:52:59,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:52:59,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829275672] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:59,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:52:59,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 10 [2024-12-02 05:52:59,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336003349] [2024-12-02 05:52:59,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:59,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 05:52:59,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:59,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 05:52:59,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:52:59,110 INFO L87 Difference]: Start difference. First operand 16438 states and 23239 transitions. Second operand has 10 states, 10 states have (on average 34.7) internal successors, (347), 7 states have internal predecessors, (347), 2 states have call successors, (89), 2 states have call predecessors, (89), 5 states have return successors, (85), 5 states have call predecessors, (85), 2 states have call successors, (85) [2024-12-02 05:52:59,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:59,929 INFO L93 Difference]: Finished difference Result 32537 states and 46184 transitions. [2024-12-02 05:52:59,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 05:52:59,929 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 34.7) internal successors, (347), 7 states have internal predecessors, (347), 2 states have call successors, (89), 2 states have call predecessors, (89), 5 states have return successors, (85), 5 states have call predecessors, (85), 2 states have call successors, (85) Word has length 1074 [2024-12-02 05:52:59,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:00,026 INFO L225 Difference]: With dead ends: 32537 [2024-12-02 05:53:00,027 INFO L226 Difference]: Without dead ends: 16646 [2024-12-02 05:53:00,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1085 GetRequests, 1075 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 05:53:00,079 INFO L435 NwaCegarLoop]: 4047 mSDtfsCounter, 14 mSDsluCounter, 32327 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 36374 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:00,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 36374 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:53:00,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16646 states. [2024-12-02 05:53:00,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16646 to 16490. [2024-12-02 05:53:00,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16490 states, 10977 states have (on average 1.2842306641158787) internal successors, (14097), 11244 states have internal predecessors, (14097), 4580 states have call successors, (4580), 916 states have call predecessors, (4580), 932 states have return successors, (4642), 4580 states have call predecessors, (4642), 4579 states have call successors, (4642) [2024-12-02 05:53:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16490 states to 16490 states and 23319 transitions. [2024-12-02 05:53:00,604 INFO L78 Accepts]: Start accepts. Automaton has 16490 states and 23319 transitions. Word has length 1074 [2024-12-02 05:53:00,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:00,605 INFO L471 AbstractCegarLoop]: Abstraction has 16490 states and 23319 transitions. [2024-12-02 05:53:00,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 34.7) internal successors, (347), 7 states have internal predecessors, (347), 2 states have call successors, (89), 2 states have call predecessors, (89), 5 states have return successors, (85), 5 states have call predecessors, (85), 2 states have call successors, (85) [2024-12-02 05:53:00,605 INFO L276 IsEmpty]: Start isEmpty. Operand 16490 states and 23319 transitions. [2024-12-02 05:53:00,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1045 [2024-12-02 05:53:00,649 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:00,649 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 15, 15, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:00,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 05:53:00,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:53:00,849 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:00,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:00,850 INFO L85 PathProgramCache]: Analyzing trace with hash -956864551, now seen corresponding path program 1 times [2024-12-02 05:53:00,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:53:00,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014969355] [2024-12-02 05:53:00,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:00,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3879 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3871 trivial. 0 not checked. [2024-12-02 05:53:05,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:53:05,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014969355] [2024-12-02 05:53:05,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014969355] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:53:05,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720468893] [2024-12-02 05:53:05,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:05,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:53:05,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:53:05,491 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:53:05,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 05:53:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:11,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 10426 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 05:53:11,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:11,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 05:53:11,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-12-02 05:53:11,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 1 [2024-12-02 05:53:12,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-12-02 05:53:12,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3879 backedges. 864 proven. 0 refuted. 0 times theorem prover too weak. 3015 trivial. 0 not checked. [2024-12-02 05:53:12,266 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:53:12,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720468893] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:53:12,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:53:12,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2024-12-02 05:53:12,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869799863] [2024-12-02 05:53:12,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:53:12,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 05:53:12,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:53:12,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 05:53:12,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:53:12,269 INFO L87 Difference]: Start difference. First operand 16490 states and 23319 transitions. Second operand has 10 states, 10 states have (on average 32.1) internal successors, (321), 8 states have internal predecessors, (321), 2 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (86), 4 states have call predecessors, (86), 2 states have call successors, (86) [2024-12-02 05:53:13,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:13,751 INFO L93 Difference]: Finished difference Result 32510 states and 46047 transitions. [2024-12-02 05:53:13,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 05:53:13,752 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 32.1) internal successors, (321), 8 states have internal predecessors, (321), 2 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (86), 4 states have call predecessors, (86), 2 states have call successors, (86) Word has length 1044 [2024-12-02 05:53:13,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:13,852 INFO L225 Difference]: With dead ends: 32510 [2024-12-02 05:53:13,852 INFO L226 Difference]: Without dead ends: 16567 [2024-12-02 05:53:13,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1052 GetRequests, 1038 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:53:13,903 INFO L435 NwaCegarLoop]: 4002 mSDtfsCounter, 1 mSDsluCounter, 31993 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 35995 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:13,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 35995 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 05:53:13,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16567 states. [2024-12-02 05:53:14,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16567 to 16517. [2024-12-02 05:53:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16517 states, 10998 states have (on average 1.284506273867976) internal successors, (14127), 11265 states have internal predecessors, (14127), 4580 states have call successors, (4580), 916 states have call predecessors, (4580), 938 states have return successors, (4658), 4586 states have call predecessors, (4658), 4579 states have call successors, (4658) [2024-12-02 05:53:14,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16517 states to 16517 states and 23365 transitions. [2024-12-02 05:53:14,405 INFO L78 Accepts]: Start accepts. Automaton has 16517 states and 23365 transitions. Word has length 1044 [2024-12-02 05:53:14,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:14,406 INFO L471 AbstractCegarLoop]: Abstraction has 16517 states and 23365 transitions. [2024-12-02 05:53:14,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 32.1) internal successors, (321), 8 states have internal predecessors, (321), 2 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (86), 4 states have call predecessors, (86), 2 states have call successors, (86) [2024-12-02 05:53:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 16517 states and 23365 transitions. [2024-12-02 05:53:14,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2024-12-02 05:53:14,543 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:14,543 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 15, 15, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:14,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 05:53:14,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:53:14,744 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:14,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:14,747 INFO L85 PathProgramCache]: Analyzing trace with hash -30641629, now seen corresponding path program 1 times [2024-12-02 05:53:14,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:53:14,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007476510] [2024-12-02 05:53:14,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:14,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3892 backedges. 56 proven. 20 refuted. 0 times theorem prover too weak. 3816 trivial. 0 not checked. [2024-12-02 05:53:18,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:53:18,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007476510] [2024-12-02 05:53:18,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007476510] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:53:18,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528117473] [2024-12-02 05:53:18,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:18,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:53:18,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:53:18,510 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:53:18,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 05:53:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:23,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 10443 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 05:53:23,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:23,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3892 backedges. 636 proven. 0 refuted. 0 times theorem prover too weak. 3256 trivial. 0 not checked. [2024-12-02 05:53:23,734 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:53:23,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528117473] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:53:23,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:53:23,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 14 [2024-12-02 05:53:23,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160139933] [2024-12-02 05:53:23,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:53:23,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:53:23,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:53:23,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:53:23,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-12-02 05:53:23,737 INFO L87 Difference]: Start difference. First operand 16517 states and 23365 transitions. Second operand has 4 states, 4 states have (on average 85.75) internal successors, (343), 4 states have internal predecessors, (343), 3 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2024-12-02 05:53:24,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:24,368 INFO L93 Difference]: Finished difference Result 32675 states and 46419 transitions. [2024-12-02 05:53:24,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:53:24,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 85.75) internal successors, (343), 4 states have internal predecessors, (343), 3 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) Word has length 1068 [2024-12-02 05:53:24,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:24,467 INFO L225 Difference]: With dead ends: 32675 [2024-12-02 05:53:24,468 INFO L226 Difference]: Without dead ends: 16705 [2024-12-02 05:53:24,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1081 GetRequests, 1069 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-12-02 05:53:24,520 INFO L435 NwaCegarLoop]: 4004 mSDtfsCounter, 13 mSDsluCounter, 7994 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 11998 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:24,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 11998 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:53:24,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16705 states. [2024-12-02 05:53:25,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16705 to 16593. [2024-12-02 05:53:25,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16593 states, 11067 states have (on average 1.2839974699557242) internal successors, (14210), 11327 states have internal predecessors, (14210), 4587 states have call successors, (4587), 916 states have call predecessors, (4587), 938 states have return successors, (4672), 4600 states have call predecessors, (4672), 4586 states have call successors, (4672) [2024-12-02 05:53:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16593 states to 16593 states and 23469 transitions. [2024-12-02 05:53:25,131 INFO L78 Accepts]: Start accepts. Automaton has 16593 states and 23469 transitions. Word has length 1068 [2024-12-02 05:53:25,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:25,131 INFO L471 AbstractCegarLoop]: Abstraction has 16593 states and 23469 transitions. [2024-12-02 05:53:25,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 85.75) internal successors, (343), 4 states have internal predecessors, (343), 3 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2024-12-02 05:53:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 16593 states and 23469 transitions. [2024-12-02 05:53:25,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1093 [2024-12-02 05:53:25,173 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:25,173 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 16, 16, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:25,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 05:53:25,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:53:25,374 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:25,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:25,374 INFO L85 PathProgramCache]: Analyzing trace with hash -825565764, now seen corresponding path program 1 times [2024-12-02 05:53:25,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:53:25,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985188480] [2024-12-02 05:53:25,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:25,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4253 backedges. 40 proven. 8 refuted. 0 times theorem prover too weak. 4205 trivial. 0 not checked. [2024-12-02 05:53:28,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:53:28,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985188480] [2024-12-02 05:53:28,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985188480] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:53:28,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731777605] [2024-12-02 05:53:28,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:28,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:53:28,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:53:28,757 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:53:28,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 05:53:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:34,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 10710 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 05:53:34,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:34,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4253 backedges. 944 proven. 0 refuted. 0 times theorem prover too weak. 3309 trivial. 0 not checked. [2024-12-02 05:53:34,855 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:53:34,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731777605] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:53:34,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:53:34,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2024-12-02 05:53:34,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955276008] [2024-12-02 05:53:34,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:53:34,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:53:34,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:53:34,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:53:34,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:53:34,858 INFO L87 Difference]: Start difference. First operand 16593 states and 23469 transitions. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 6 states have internal predecessors, (339), 3 states have call successors, (96), 2 states have call predecessors, (96), 3 states have return successors, (93), 4 states have call predecessors, (93), 3 states have call successors, (93) [2024-12-02 05:53:35,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:35,466 INFO L93 Difference]: Finished difference Result 33261 states and 47829 transitions. [2024-12-02 05:53:35,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:53:35,467 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 6 states have internal predecessors, (339), 3 states have call successors, (96), 2 states have call predecessors, (96), 3 states have return successors, (93), 4 states have call predecessors, (93), 3 states have call successors, (93) Word has length 1092 [2024-12-02 05:53:35,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:35,564 INFO L225 Difference]: With dead ends: 33261 [2024-12-02 05:53:35,564 INFO L226 Difference]: Without dead ends: 16683 [2024-12-02 05:53:35,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1098 GetRequests, 1093 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:53:35,622 INFO L435 NwaCegarLoop]: 4005 mSDtfsCounter, 1 mSDsluCounter, 20019 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 24024 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:35,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 24024 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 05:53:35,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16683 states. [2024-12-02 05:53:36,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16683 to 16663. [2024-12-02 05:53:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16663 states, 11117 states have (on average 1.2827201583160925) internal successors, (14260), 11367 states have internal predecessors, (14260), 4597 states have call successors, (4597), 916 states have call predecessors, (4597), 948 states have return successors, (4702), 4620 states have call predecessors, (4702), 4596 states have call successors, (4702) [2024-12-02 05:53:36,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16663 states to 16663 states and 23559 transitions. [2024-12-02 05:53:36,141 INFO L78 Accepts]: Start accepts. Automaton has 16663 states and 23559 transitions. Word has length 1092 [2024-12-02 05:53:36,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:36,142 INFO L471 AbstractCegarLoop]: Abstraction has 16663 states and 23559 transitions. [2024-12-02 05:53:36,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 6 states have internal predecessors, (339), 3 states have call successors, (96), 2 states have call predecessors, (96), 3 states have return successors, (93), 4 states have call predecessors, (93), 3 states have call successors, (93) [2024-12-02 05:53:36,142 INFO L276 IsEmpty]: Start isEmpty. Operand 16663 states and 23559 transitions. [2024-12-02 05:53:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1045 [2024-12-02 05:53:36,184 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:36,184 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 15, 15, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:36,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 05:53:36,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-12-02 05:53:36,385 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:36,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:36,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1208168283, now seen corresponding path program 1 times [2024-12-02 05:53:36,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:53:36,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070110541] [2024-12-02 05:53:36,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:36,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:41,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3879 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3871 trivial. 0 not checked. [2024-12-02 05:53:41,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:53:41,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070110541] [2024-12-02 05:53:41,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070110541] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:53:41,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022819892] [2024-12-02 05:53:41,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:41,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:53:41,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:53:41,411 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:53:41,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 05:53:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:47,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 10427 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 05:53:47,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:47,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 05:53:47,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-12-02 05:53:47,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 1 [2024-12-02 05:53:48,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-12-02 05:53:48,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3879 backedges. 864 proven. 0 refuted. 0 times theorem prover too weak. 3015 trivial. 0 not checked. [2024-12-02 05:53:48,155 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:53:48,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022819892] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:53:48,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:53:48,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-12-02 05:53:48,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156263932] [2024-12-02 05:53:48,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:53:48,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 05:53:48,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:53:48,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 05:53:48,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2024-12-02 05:53:48,159 INFO L87 Difference]: Start difference. First operand 16663 states and 23559 transitions. Second operand has 9 states, 9 states have (on average 35.666666666666664) internal successors, (321), 7 states have internal predecessors, (321), 2 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (86), 4 states have call predecessors, (86), 2 states have call successors, (86) [2024-12-02 05:53:49,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:49,242 INFO L93 Difference]: Finished difference Result 32816 states and 46463 transitions. [2024-12-02 05:53:49,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 05:53:49,243 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 35.666666666666664) internal successors, (321), 7 states have internal predecessors, (321), 2 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (86), 4 states have call predecessors, (86), 2 states have call successors, (86) Word has length 1044 [2024-12-02 05:53:49,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:49,345 INFO L225 Difference]: With dead ends: 32816 [2024-12-02 05:53:49,346 INFO L226 Difference]: Without dead ends: 16707 [2024-12-02 05:53:49,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1053 GetRequests, 1039 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:53:49,404 INFO L435 NwaCegarLoop]: 4008 mSDtfsCounter, 2 mSDsluCounter, 28028 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 32036 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:49,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 32036 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 05:53:49,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16707 states. [2024-12-02 05:53:50,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16707 to 16663. [2024-12-02 05:53:50,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16663 states, 11117 states have (on average 1.2824503013402897) internal successors, (14257), 11367 states have internal predecessors, (14257), 4597 states have call successors, (4597), 916 states have call predecessors, (4597), 948 states have return successors, (4702), 4620 states have call predecessors, (4702), 4596 states have call successors, (4702) [2024-12-02 05:53:50,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16663 states to 16663 states and 23556 transitions. [2024-12-02 05:53:50,146 INFO L78 Accepts]: Start accepts. Automaton has 16663 states and 23556 transitions. Word has length 1044 [2024-12-02 05:53:50,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:50,147 INFO L471 AbstractCegarLoop]: Abstraction has 16663 states and 23556 transitions. [2024-12-02 05:53:50,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 35.666666666666664) internal successors, (321), 7 states have internal predecessors, (321), 2 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (86), 4 states have call predecessors, (86), 2 states have call successors, (86) [2024-12-02 05:53:50,147 INFO L276 IsEmpty]: Start isEmpty. Operand 16663 states and 23556 transitions. [2024-12-02 05:53:50,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2024-12-02 05:53:50,190 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:50,190 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 15, 15, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:50,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 05:53:50,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-12-02 05:53:50,390 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:50,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:50,391 INFO L85 PathProgramCache]: Analyzing trace with hash 314186533, now seen corresponding path program 1 times [2024-12-02 05:53:50,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:53:50,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292939464] [2024-12-02 05:53:50,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:50,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3892 backedges. 56 proven. 20 refuted. 0 times theorem prover too weak. 3816 trivial. 0 not checked. [2024-12-02 05:53:54,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:53:54,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292939464] [2024-12-02 05:53:54,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292939464] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:53:54,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93921240] [2024-12-02 05:53:54,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:54,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:53:54,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:53:54,484 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:53:54,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-02 05:54:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:00,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 10440 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-02 05:54:00,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:54:00,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-12-02 05:54:00,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3892 backedges. 872 proven. 0 refuted. 0 times theorem prover too weak. 3020 trivial. 0 not checked. [2024-12-02 05:54:00,720 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:54:00,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93921240] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:00,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:54:00,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2024-12-02 05:54:00,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906963453] [2024-12-02 05:54:00,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:00,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 05:54:00,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:00,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 05:54:00,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2024-12-02 05:54:00,722 INFO L87 Difference]: Start difference. First operand 16663 states and 23556 transitions. Second operand has 8 states, 8 states have (on average 41.0) internal successors, (328), 6 states have internal predecessors, (328), 2 states have call successors, (83), 2 states have call predecessors, (83), 4 states have return successors, (79), 4 states have call predecessors, (79), 2 states have call successors, (79) [2024-12-02 05:54:01,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:01,809 INFO L93 Difference]: Finished difference Result 32840 states and 46497 transitions. [2024-12-02 05:54:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 05:54:01,810 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 41.0) internal successors, (328), 6 states have internal predecessors, (328), 2 states have call successors, (83), 2 states have call predecessors, (83), 4 states have return successors, (79), 4 states have call predecessors, (79), 2 states have call successors, (79) Word has length 1068 [2024-12-02 05:54:01,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:01,901 INFO L225 Difference]: With dead ends: 32840 [2024-12-02 05:54:01,901 INFO L226 Difference]: Without dead ends: 16731 [2024-12-02 05:54:01,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1081 GetRequests, 1065 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2024-12-02 05:54:01,948 INFO L435 NwaCegarLoop]: 4005 mSDtfsCounter, 1 mSDsluCounter, 24013 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 28018 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:01,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 28018 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 05:54:01,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16731 states. [2024-12-02 05:54:02,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16731 to 16687. [2024-12-02 05:54:02,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16687 states, 11135 states have (on average 1.2822631342613382) internal successors, (14278), 11385 states have internal predecessors, (14278), 4597 states have call successors, (4597), 916 states have call predecessors, (4597), 954 states have return successors, (4718), 4626 states have call predecessors, (4718), 4596 states have call successors, (4718) [2024-12-02 05:54:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16687 states to 16687 states and 23593 transitions. [2024-12-02 05:54:02,481 INFO L78 Accepts]: Start accepts. Automaton has 16687 states and 23593 transitions. Word has length 1068 [2024-12-02 05:54:02,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:02,482 INFO L471 AbstractCegarLoop]: Abstraction has 16687 states and 23593 transitions. [2024-12-02 05:54:02,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 41.0) internal successors, (328), 6 states have internal predecessors, (328), 2 states have call successors, (83), 2 states have call predecessors, (83), 4 states have return successors, (79), 4 states have call predecessors, (79), 2 states have call successors, (79) [2024-12-02 05:54:02,482 INFO L276 IsEmpty]: Start isEmpty. Operand 16687 states and 23593 transitions. [2024-12-02 05:54:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1079 [2024-12-02 05:54:02,526 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:02,527 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 15, 15, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:02,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-02 05:54:02,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-12-02 05:54:02,727 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:02,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:02,728 INFO L85 PathProgramCache]: Analyzing trace with hash -2045548771, now seen corresponding path program 1 times [2024-12-02 05:54:02,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:02,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227027573] [2024-12-02 05:54:02,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:02,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:07,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4046 backedges. 60 proven. 20 refuted. 0 times theorem prover too weak. 3966 trivial. 0 not checked. [2024-12-02 05:54:07,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:07,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227027573] [2024-12-02 05:54:07,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227027573] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:54:07,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062329314] [2024-12-02 05:54:07,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:07,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:54:07,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:54:07,401 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:54:07,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-02 05:54:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:13,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 10498 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 05:54:13,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:54:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4046 backedges. 839 proven. 0 refuted. 0 times theorem prover too weak. 3207 trivial. 0 not checked. [2024-12-02 05:54:13,390 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:54:13,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062329314] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:13,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:54:13,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 14 [2024-12-02 05:54:13,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721646906] [2024-12-02 05:54:13,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:13,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:54:13,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:13,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:54:13,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-12-02 05:54:13,394 INFO L87 Difference]: Start difference. First operand 16687 states and 23593 transitions. Second operand has 4 states, 4 states have (on average 80.75) internal successors, (323), 4 states have internal predecessors, (323), 3 states have call successors, (86), 2 states have call predecessors, (86), 3 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) [2024-12-02 05:54:14,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:14,014 INFO L93 Difference]: Finished difference Result 33393 states and 47987 transitions. [2024-12-02 05:54:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:54:14,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 80.75) internal successors, (323), 4 states have internal predecessors, (323), 3 states have call successors, (86), 2 states have call predecessors, (86), 3 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) Word has length 1078 [2024-12-02 05:54:14,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:14,123 INFO L225 Difference]: With dead ends: 33393 [2024-12-02 05:54:14,123 INFO L226 Difference]: Without dead ends: 16601 [2024-12-02 05:54:14,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1091 GetRequests, 1079 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-12-02 05:54:14,190 INFO L435 NwaCegarLoop]: 4001 mSDtfsCounter, 11 mSDsluCounter, 7963 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 11964 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:14,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 11964 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:54:14,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16601 states. [2024-12-02 05:54:14,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16601 to 16587. [2024-12-02 05:54:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16587 states, 11085 states have (on average 1.2826341903473162) internal successors, (14218), 11335 states have internal predecessors, (14218), 4547 states have call successors, (4547), 916 states have call predecessors, (4547), 954 states have return successors, (4668), 4576 states have call predecessors, (4668), 4546 states have call successors, (4668) [2024-12-02 05:54:14,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16587 states to 16587 states and 23433 transitions. [2024-12-02 05:54:14,758 INFO L78 Accepts]: Start accepts. Automaton has 16587 states and 23433 transitions. Word has length 1078 [2024-12-02 05:54:14,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:14,759 INFO L471 AbstractCegarLoop]: Abstraction has 16587 states and 23433 transitions. [2024-12-02 05:54:14,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.75) internal successors, (323), 4 states have internal predecessors, (323), 3 states have call successors, (86), 2 states have call predecessors, (86), 3 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) [2024-12-02 05:54:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 16587 states and 23433 transitions. [2024-12-02 05:54:14,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2024-12-02 05:54:14,808 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:14,809 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 16, 16, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:14,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-02 05:54:15,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-12-02 05:54:15,009 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:15,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:15,010 INFO L85 PathProgramCache]: Analyzing trace with hash 525277944, now seen corresponding path program 1 times [2024-12-02 05:54:15,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:15,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574629854] [2024-12-02 05:54:15,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:15,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:19,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4253 backedges. 70 proven. 8 refuted. 0 times theorem prover too weak. 4175 trivial. 0 not checked. [2024-12-02 05:54:19,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:19,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574629854] [2024-12-02 05:54:19,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574629854] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:54:19,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26985750] [2024-12-02 05:54:19,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:19,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:54:19,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:54:19,434 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:54:19,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-02 05:54:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:26,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 10794 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 05:54:26,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:54:26,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 05:54:26,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-12-02 05:54:27,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 1 [2024-12-02 05:54:27,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-12-02 05:54:28,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4253 backedges. 764 proven. 0 refuted. 0 times theorem prover too weak. 3489 trivial. 0 not checked. [2024-12-02 05:54:28,148 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:54:28,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26985750] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:28,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:54:28,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 20 [2024-12-02 05:54:28,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942879187] [2024-12-02 05:54:28,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:28,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 05:54:28,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:28,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 05:54:28,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=342, Unknown=0, NotChecked=0, Total=380 [2024-12-02 05:54:28,150 INFO L87 Difference]: Start difference. First operand 16587 states and 23433 transitions. Second operand has 12 states, 12 states have (on average 29.25) internal successors, (351), 9 states have internal predecessors, (351), 3 states have call successors, (96), 3 states have call predecessors, (96), 6 states have return successors, (94), 6 states have call predecessors, (94), 3 states have call successors, (94) [2024-12-02 05:54:34,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 05:54:44,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:44,974 INFO L93 Difference]: Finished difference Result 47998 states and 68705 transitions. [2024-12-02 05:54:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 05:54:44,975 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 29.25) internal successors, (351), 9 states have internal predecessors, (351), 3 states have call successors, (96), 3 states have call predecessors, (96), 6 states have return successors, (94), 6 states have call predecessors, (94), 3 states have call successors, (94) Word has length 1106 [2024-12-02 05:54:44,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:45,178 INFO L225 Difference]: With dead ends: 47998 [2024-12-02 05:54:45,178 INFO L226 Difference]: Without dead ends: 31955 [2024-12-02 05:54:45,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1125 GetRequests, 1096 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2024-12-02 05:54:45,253 INFO L435 NwaCegarLoop]: 7384 mSDtfsCounter, 3748 mSDsluCounter, 65321 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3756 SdHoareTripleChecker+Valid, 72705 SdHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:45,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3756 Valid, 72705 Invalid, 1830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1824 Invalid, 0 Unknown, 0 Unchecked, 14.8s Time] [2024-12-02 05:54:45,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31955 states. [2024-12-02 05:54:46,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31955 to 31879. [2024-12-02 05:54:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31879 states, 21279 states have (on average 1.2834249729780536) internal successors, (27310), 21822 states have internal predecessors, (27310), 8752 states have call successors, (8752), 1779 states have call predecessors, (8752), 1847 states have return successors, (9807), 8745 states have call predecessors, (9807), 8751 states have call successors, (9807) [2024-12-02 05:54:46,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31879 states to 31879 states and 45869 transitions. [2024-12-02 05:54:46,600 INFO L78 Accepts]: Start accepts. Automaton has 31879 states and 45869 transitions. Word has length 1106 [2024-12-02 05:54:46,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:46,601 INFO L471 AbstractCegarLoop]: Abstraction has 31879 states and 45869 transitions. [2024-12-02 05:54:46,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 29.25) internal successors, (351), 9 states have internal predecessors, (351), 3 states have call successors, (96), 3 states have call predecessors, (96), 6 states have return successors, (94), 6 states have call predecessors, (94), 3 states have call successors, (94) [2024-12-02 05:54:46,601 INFO L276 IsEmpty]: Start isEmpty. Operand 31879 states and 45869 transitions. [2024-12-02 05:54:46,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2024-12-02 05:54:46,702 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:46,703 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 15, 15, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:46,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-02 05:54:46,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-12-02 05:54:46,904 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:46,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:46,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1930343082, now seen corresponding path program 1 times [2024-12-02 05:54:46,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:46,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680487615] [2024-12-02 05:54:46,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:46,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:50,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4267 backedges. 62 proven. 34 refuted. 0 times theorem prover too weak. 4171 trivial. 0 not checked. [2024-12-02 05:54:50,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:50,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680487615] [2024-12-02 05:54:50,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680487615] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:54:50,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892616624] [2024-12-02 05:54:50,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:50,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:54:50,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:54:50,039 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:54:50,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-02 05:54:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:56,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 10816 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 05:54:56,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:54:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4267 backedges. 938 proven. 0 refuted. 0 times theorem prover too weak. 3329 trivial. 0 not checked. [2024-12-02 05:54:56,515 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:54:56,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892616624] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:56,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:54:56,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-12-02 05:54:56,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483548312] [2024-12-02 05:54:56,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:56,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:54:56,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:56,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:54:56,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:54:56,517 INFO L87 Difference]: Start difference. First operand 31879 states and 45869 transitions. Second operand has 5 states, 5 states have (on average 71.0) internal successors, (355), 4 states have internal predecessors, (355), 2 states have call successors, (94), 2 states have call predecessors, (94), 3 states have return successors, (91), 3 states have call predecessors, (91), 2 states have call successors, (91) [2024-12-02 05:54:57,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:57,654 INFO L93 Difference]: Finished difference Result 63224 states and 92150 transitions. [2024-12-02 05:54:57,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:54:57,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 71.0) internal successors, (355), 4 states have internal predecessors, (355), 2 states have call successors, (94), 2 states have call predecessors, (94), 3 states have return successors, (91), 3 states have call predecessors, (91), 2 states have call successors, (91) Word has length 1100 [2024-12-02 05:54:57,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:57,854 INFO L225 Difference]: With dead ends: 63224 [2024-12-02 05:54:57,854 INFO L226 Difference]: Without dead ends: 31889 [2024-12-02 05:54:57,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1109 GetRequests, 1101 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:54:57,982 INFO L435 NwaCegarLoop]: 3992 mSDtfsCounter, 0 mSDsluCounter, 11972 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15964 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:57,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15964 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:54:58,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31889 states. [2024-12-02 05:54:58,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31889 to 31879. [2024-12-02 05:54:58,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31879 states, 21279 states have (on average 1.282485079186052) internal successors, (27290), 21822 states have internal predecessors, (27290), 8752 states have call successors, (8752), 1779 states have call predecessors, (8752), 1847 states have return successors, (9807), 8745 states have call predecessors, (9807), 8751 states have call successors, (9807) [2024-12-02 05:54:59,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31879 states to 31879 states and 45849 transitions. [2024-12-02 05:54:59,305 INFO L78 Accepts]: Start accepts. Automaton has 31879 states and 45849 transitions. Word has length 1100 [2024-12-02 05:54:59,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:59,306 INFO L471 AbstractCegarLoop]: Abstraction has 31879 states and 45849 transitions. [2024-12-02 05:54:59,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 71.0) internal successors, (355), 4 states have internal predecessors, (355), 2 states have call successors, (94), 2 states have call predecessors, (94), 3 states have return successors, (91), 3 states have call predecessors, (91), 2 states have call successors, (91) [2024-12-02 05:54:59,306 INFO L276 IsEmpty]: Start isEmpty. Operand 31879 states and 45849 transitions. [2024-12-02 05:54:59,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1131 [2024-12-02 05:54:59,402 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:59,403 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 16, 16, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:59,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-02 05:54:59,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-12-02 05:54:59,603 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:59,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:59,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1573003588, now seen corresponding path program 1 times [2024-12-02 05:54:59,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:59,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980907246] [2024-12-02 05:54:59,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:59,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:55:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4266 backedges. 60 proven. 20 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2024-12-02 05:55:03,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:55:03,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980907246] [2024-12-02 05:55:03,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980907246] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:55:03,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512994286] [2024-12-02 05:55:03,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:03,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:55:03,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:55:03,868 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:55:03,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-02 05:55:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:10,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 10808 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 05:55:10,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:55:10,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 05:55:10,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-12-02 05:55:11,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4266 backedges. 920 proven. 0 refuted. 0 times theorem prover too weak. 3346 trivial. 0 not checked. [2024-12-02 05:55:11,265 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:55:11,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512994286] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:55:11,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:55:11,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2024-12-02 05:55:11,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54046515] [2024-12-02 05:55:11,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:55:11,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 05:55:11,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:55:11,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 05:55:11,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2024-12-02 05:55:11,268 INFO L87 Difference]: Start difference. First operand 31879 states and 45849 transitions. Second operand has 9 states, 9 states have (on average 39.55555555555556) internal successors, (356), 7 states have internal predecessors, (356), 2 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (88), 4 states have call predecessors, (88), 2 states have call successors, (88) [2024-12-02 05:55:13,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:55:13,490 INFO L93 Difference]: Finished difference Result 63367 states and 91251 transitions. [2024-12-02 05:55:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 05:55:13,491 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 39.55555555555556) internal successors, (356), 7 states have internal predecessors, (356), 2 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (88), 4 states have call predecessors, (88), 2 states have call successors, (88) Word has length 1130 [2024-12-02 05:55:13,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:55:13,664 INFO L225 Difference]: With dead ends: 63367 [2024-12-02 05:55:13,665 INFO L226 Difference]: Without dead ends: 32032 [2024-12-02 05:55:13,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1144 GetRequests, 1126 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2024-12-02 05:55:13,761 INFO L435 NwaCegarLoop]: 3991 mSDtfsCounter, 2 mSDsluCounter, 27909 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 31900 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:55:13,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 31900 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 05:55:13,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32032 states. [2024-12-02 05:55:14,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32032 to 31885. [2024-12-02 05:55:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31885 states, 21285 states have (on average 1.2824054498473103) internal successors, (27296), 21822 states have internal predecessors, (27296), 8752 states have call successors, (8752), 1779 states have call predecessors, (8752), 1847 states have return successors, (9807), 8745 states have call predecessors, (9807), 8751 states have call successors, (9807) [2024-12-02 05:55:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31885 states to 31885 states and 45855 transitions. [2024-12-02 05:55:15,120 INFO L78 Accepts]: Start accepts. Automaton has 31885 states and 45855 transitions. Word has length 1130 [2024-12-02 05:55:15,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:55:15,121 INFO L471 AbstractCegarLoop]: Abstraction has 31885 states and 45855 transitions. [2024-12-02 05:55:15,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 39.55555555555556) internal successors, (356), 7 states have internal predecessors, (356), 2 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (88), 4 states have call predecessors, (88), 2 states have call successors, (88) [2024-12-02 05:55:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand 31885 states and 45855 transitions. [2024-12-02 05:55:15,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1184 [2024-12-02 05:55:15,224 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:55:15,224 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 17, 17, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:55:15,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-12-02 05:55:15,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-12-02 05:55:15,425 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:55:15,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:55:15,427 INFO L85 PathProgramCache]: Analyzing trace with hash 548371806, now seen corresponding path program 1 times [2024-12-02 05:55:15,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:55:15,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500654043] [2024-12-02 05:55:15,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:15,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:55:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:20,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4694 backedges. 64 proven. 20 refuted. 0 times theorem prover too weak. 4610 trivial. 0 not checked. [2024-12-02 05:55:20,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:55:20,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500654043] [2024-12-02 05:55:20,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500654043] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:55:20,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193068087] [2024-12-02 05:55:20,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:20,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:55:20,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:55:20,019 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:55:20,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-02 05:55:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:26,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 11105 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 05:55:26,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:55:27,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 05:55:27,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-12-02 05:55:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4694 backedges. 1337 proven. 0 refuted. 0 times theorem prover too weak. 3357 trivial. 0 not checked. [2024-12-02 05:55:28,085 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:55:28,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193068087] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:55:28,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:55:28,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 23 [2024-12-02 05:55:28,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271905105] [2024-12-02 05:55:28,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:55:28,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 05:55:28,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:55:28,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 05:55:28,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=460, Unknown=0, NotChecked=0, Total=506 [2024-12-02 05:55:28,087 INFO L87 Difference]: Start difference. First operand 31885 states and 45855 transitions. Second operand has 13 states, 13 states have (on average 30.0) internal successors, (390), 10 states have internal predecessors, (390), 4 states have call successors, (102), 2 states have call predecessors, (102), 5 states have return successors, (98), 7 states have call predecessors, (98), 4 states have call successors, (98) [2024-12-02 05:55:30,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:55:30,397 INFO L93 Difference]: Finished difference Result 63398 states and 91301 transitions. [2024-12-02 05:55:30,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 05:55:30,397 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 30.0) internal successors, (390), 10 states have internal predecessors, (390), 4 states have call successors, (102), 2 states have call predecessors, (102), 5 states have return successors, (98), 7 states have call predecessors, (98), 4 states have call successors, (98) Word has length 1183 [2024-12-02 05:55:30,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:55:30,604 INFO L225 Difference]: With dead ends: 63398 [2024-12-02 05:55:30,604 INFO L226 Difference]: Without dead ends: 32057 [2024-12-02 05:55:30,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1196 GetRequests, 1175 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=46, Invalid=460, Unknown=0, NotChecked=0, Total=506 [2024-12-02 05:55:30,727 INFO L435 NwaCegarLoop]: 3997 mSDtfsCounter, 1 mSDsluCounter, 43936 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 47933 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:55:30,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 47933 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 05:55:30,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32057 states. [2024-12-02 05:55:31,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32057 to 31891. [2024-12-02 05:55:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31891 states, 21285 states have (on average 1.2824054498473103) internal successors, (27296), 21828 states have internal predecessors, (27296), 8758 states have call successors, (8758), 1779 states have call predecessors, (8758), 1847 states have return successors, (9813), 8751 states have call predecessors, (9813), 8757 states have call successors, (9813) [2024-12-02 05:55:32,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31891 states to 31891 states and 45867 transitions. [2024-12-02 05:55:32,180 INFO L78 Accepts]: Start accepts. Automaton has 31891 states and 45867 transitions. Word has length 1183 [2024-12-02 05:55:32,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:55:32,181 INFO L471 AbstractCegarLoop]: Abstraction has 31891 states and 45867 transitions. [2024-12-02 05:55:32,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 30.0) internal successors, (390), 10 states have internal predecessors, (390), 4 states have call successors, (102), 2 states have call predecessors, (102), 5 states have return successors, (98), 7 states have call predecessors, (98), 4 states have call successors, (98) [2024-12-02 05:55:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand 31891 states and 45867 transitions. [2024-12-02 05:55:32,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1169 [2024-12-02 05:55:32,288 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:55:32,289 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 17, 17, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:55:32,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-12-02 05:55:32,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:55:32,489 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ldv_assumeErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:55:32,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:55:32,490 INFO L85 PathProgramCache]: Analyzing trace with hash 615179991, now seen corresponding path program 2 times [2024-12-02 05:55:32,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:55:32,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497636909] [2024-12-02 05:55:32,490 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 05:55:32,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:55:34,435 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 05:55:34,435 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 05:55:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4695 backedges. 70 proven. 21 refuted. 0 times theorem prover too weak. 4604 trivial. 0 not checked. [2024-12-02 05:55:37,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:55:37,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497636909] [2024-12-02 05:55:37,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497636909] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:55:37,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406693757] [2024-12-02 05:55:37,584 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 05:55:37,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:55:37,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:55:37,586 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:55:37,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a973359-9e79-4253-bc67-5cd0cceab70d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process