./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.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_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB --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 6f86833868c5bd8f52db116e0dc9a6adcf67c5a3282a5f6499cc1c794678520b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:06:32,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:06:32,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:06:32,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:06:32,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:06:32,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:06:32,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:06:32,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:06:32,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:06:32,479 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:06:32,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:06:32,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:06:32,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:06:32,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:06:32,480 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:06:32,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:06:32,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:06:32,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:06:32,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:06:32,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:06:32,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:06:32,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:06:32,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:06:32,482 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:06:32,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:06:32,483 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:06:32,483 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:06:32,483 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:06:32,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:06:32,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:32,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:06:32,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:06:32,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:06:32,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:06:32,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:32,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:06:32,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:06:32,485 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:06:32,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:06:32,486 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:06:32,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:06:32,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:06:32,486 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:06:32,486 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:06:32,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:06:32,487 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_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 6f86833868c5bd8f52db116e0dc9a6adcf67c5a3282a5f6499cc1c794678520b [2024-11-27 20:06:32,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:06:32,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:06:32,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:06:32,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:06:32,978 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:06:32,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i [2024-11-27 20:06:37,154 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/data/0c492f233/625a9c1d419949b289754a699a5529dc/FLAGa1b90c464 [2024-11-27 20:06:38,017 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:06:38,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i [2024-11-27 20:06:38,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/data/0c492f233/625a9c1d419949b289754a699a5529dc/FLAGa1b90c464 [2024-11-27 20:06:38,123 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/data/0c492f233/625a9c1d419949b289754a699a5529dc [2024-11-27 20:06:38,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:06:38,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:06:38,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:38,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:06:38,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:06:38,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:38" (1/1) ... [2024-11-27 20:06:38,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fff2004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:38, skipping insertion in model container [2024-11-27 20:06:38,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:38" (1/1) ... [2024-11-27 20:06:38,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:06:39,062 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3602] [2024-11-27 20:06:39,063 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3603-3604] [2024-11-27 20:06:39,450 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_52f310be-c0a9-41dc-8400-0eac3e326777/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i[110145,110158] [2024-11-27 20:06:40,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:41,493 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:06:41,667 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3602] [2024-11-27 20:06:41,668 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3603-3604] [2024-11-27 20:06:41,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [3705] [2024-11-27 20:06:41,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [3708] [2024-11-27 20:06:41,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [3711] [2024-11-27 20:06:41,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [3714] [2024-11-27 20:06:41,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [3768] [2024-11-27 20:06:41,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [3776] [2024-11-27 20:06:41,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsw": "+S" (addr), "+c" (count): "d" (port)); [3783] [2024-11-27 20:06:41,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insw": "+D" (addr), "+c" (count): "d" (port)); [3790] [2024-11-27 20:06:41,696 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_52f310be-c0a9-41dc-8400-0eac3e326777/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i[110145,110158] [2024-11-27 20:06:42,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:42,555 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:06:42,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42 WrapperNode [2024-11-27 20:06:42,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:42,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:42,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:06:42,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:06:42,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (1/1) ... [2024-11-27 20:06:42,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (1/1) ... [2024-11-27 20:06:43,653 INFO L138 Inliner]: procedures = 199, calls = 11545, calls flagged for inlining = 96, calls inlined = 94, statements flattened = 14435 [2024-11-27 20:06:43,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:43,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:06:43,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:06:43,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:06:43,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (1/1) ... [2024-11-27 20:06:43,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (1/1) ... [2024-11-27 20:06:43,836 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (1/1) ... [2024-11-27 20:06:44,464 INFO L175 MemorySlicer]: Split 10890 memory accesses to 25 slices as follows [42, 2, 23, 1, 35, 4, 14, 63, 6, 8, 14, 26, 10390, 8, 2, 1, 3, 63, 7, 7, 7, 33, 7, 117, 7]. 95 percent of accesses are in the largest equivalence class. The 10124 initializations are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 10017, 0, 2, 0, 0, 63, 7, 7, 7, 0, 0, 0, 7]. The 414 writes are split as follows [42, 1, 21, 0, 35, 2, 12, 54, 0, 0, 0, 0, 160, 8, 0, 0, 1, 0, 0, 0, 0, 33, 0, 45, 0]. [2024-11-27 20:06:44,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (1/1) ... [2024-11-27 20:06:44,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (1/1) ... [2024-11-27 20:06:44,936 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (1/1) ... [2024-11-27 20:06:45,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (1/1) ... [2024-11-27 20:06:45,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (1/1) ... [2024-11-27 20:06:45,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (1/1) ... [2024-11-27 20:06:45,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (1/1) ... [2024-11-27 20:06:45,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:06:45,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:06:45,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:06:45,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:06:45,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (1/1) ... [2024-11-27 20:06:45,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:45,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:45,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:45,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:06:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_start [2024-11-27 20:06:45,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_start [2024-11-27 20:06:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_set_termios [2024-11-27 20:06:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_set_termios [2024-11-27 20:06:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-27 20:06:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-27 20:06:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 20:06:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 20:06:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 20:06:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 20:06:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 20:06:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-27 20:06:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-27 20:06:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-27 20:06:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-27 20:06:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-27 20:06:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-11-27 20:06:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-11-27 20:06:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 20:06:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 20:06:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 20:06:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 20:06:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 20:06:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-27 20:06:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-27 20:06:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-27 20:06:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-27 20:06:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-27 20:06:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 20:06:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 20:06:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2024-11-27 20:06:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2024-11-27 20:06:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-27 20:06:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-27 20:06:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_tiocmset [2024-11-27 20:06:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_tiocmset [2024-11-27 20:06:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2024-11-27 20:06:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2024-11-27 20:06:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 20:06:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 20:06:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2024-11-27 20:06:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2024-11-27 20:06:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2024-11-27 20:06:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2024-11-27 20:06:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure raise_dtr [2024-11-27 20:06:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_dtr [2024-11-27 20:06:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2024-11-27 20:06:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2024-11-27 20:06:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_chars_in_buffer [2024-11-27 20:06:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_chars_in_buffer [2024-11-27 20:06:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2024-11-27 20:06:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2024-11-27 20:06:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-27 20:06:45,510 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-27 20:06:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_flush_buffer [2024-11-27 20:06:45,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_flush_buffer [2024-11-27 20:06:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-27 20:06:45,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-27 20:06:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-27 20:06:45,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-27 20:06:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure outsw [2024-11-27 20:06:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure outsw [2024-11-27 20:06:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:06:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:06:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2024-11-27 20:06:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_put_char [2024-11-27 20:06:45,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_put_char [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 20:06:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-27 20:06:45,514 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_write_room [2024-11-27 20:06:45,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_write_room [2024-11-27 20:06:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_ioctl [2024-11-27 20:06:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_ioctl [2024-11-27 20:06:45,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-27 20:06:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-27 20:06:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure drop_dtr [2024-11-27 20:06:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_dtr [2024-11-27 20:06:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-27 20:06:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-27 20:06:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:06:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 20:06:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 20:06:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 20:06:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 20:06:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 20:06:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 20:06:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 20:06:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 20:06:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-27 20:06:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-27 20:06:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-27 20:06:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 20:06:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 20:06:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-27 20:06:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-27 20:06:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2024-11-27 20:06:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2024-11-27 20:06:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-27 20:06:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-27 20:06:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-27 20:06:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-27 20:06:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2024-11-27 20:06:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2024-11-27 20:06:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-27 20:06:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-27 20:06:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 20:06:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 20:06:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 20:06:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 20:06:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 20:06:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 20:06:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 20:06:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 20:06:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 20:06:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 20:06:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_dtr_rts [2024-11-27 20:06:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_dtr_rts [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-27 20:06:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-27 20:06:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-27 20:06:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_config_port [2024-11-27 20:06:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_config_port [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-27 20:06:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-27 20:06:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 20:06:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 20:06:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 20:06:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 20:06:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 20:06:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 20:06:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 20:06:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 20:06:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 20:06:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 20:06:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-27 20:06:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-27 20:06:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-27 20:06:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-27 20:06:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-27 20:06:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-27 20:06:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-27 20:06:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-27 20:06:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_tiocmget [2024-11-27 20:06:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_tiocmget [2024-11-27 20:06:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_unthrottle [2024-11-27 20:06:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_unthrottle [2024-11-27 20:06:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure lock_card [2024-11-27 20:06:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_card [2024-11-27 20:06:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_flush_chars [2024-11-27 20:06:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_flush_chars [2024-11-27 20:06:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 20:06:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-27 20:06:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-27 20:06:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-27 20:06:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-27 20:06:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-27 20:06:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-27 20:06:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-27 20:06:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-27 20:06:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-27 20:06:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-27 20:06:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-27 20:06:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-27 20:06:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-27 20:06:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-27 20:06:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-27 20:06:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-27 20:06:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 20:06:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 20:06:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_carrier_raised [2024-11-27 20:06:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_carrier_raised [2024-11-27 20:06:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:06:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_hangup [2024-11-27 20:06:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_hangup [2024-11-27 20:06:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_throttle [2024-11-27 20:06:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_throttle [2024-11-27 20:06:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:06:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2024-11-27 20:06:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2024-11-27 20:06:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-27 20:06:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-27 20:06:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:06:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:06:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-27 20:06:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-27 20:06:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-27 20:06:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-27 20:06:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-27 20:06:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-27 20:06:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-27 20:06:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-27 20:06:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-27 20:06:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_card [2024-11-27 20:06:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_card [2024-11-27 20:06:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-27 20:06:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-27 20:06:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_send_break [2024-11-27 20:06:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_send_break [2024-11-27 20:06:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:06:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:06:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:06:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:06:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:06:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-27 20:06:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-27 20:06:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-27 20:06:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-27 20:06:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2024-11-27 20:06:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2024-11-27 20:06:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure WaitTillCardIsFree [2024-11-27 20:06:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure WaitTillCardIsFree [2024-11-27 20:06:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:06:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:06:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2024-11-27 20:06:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2024-11-27 20:06:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-27 20:06:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-27 20:06:46,768 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:06:46,771 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:06:46,923 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 20:08:21,786 INFO L? ?]: Removed 1643 outVars from TransFormulas that were not future-live. [2024-11-27 20:08:21,786 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:08:21,889 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:08:21,894 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 20:08:21,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:21 BoogieIcfgContainer [2024-11-27 20:08:21,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:08:21,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:08:21,901 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:08:21,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:08:21,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:06:38" (1/3) ... [2024-11-27 20:08:21,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f66821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:08:21, skipping insertion in model container [2024-11-27 20:08:21,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:42" (2/3) ... [2024-11-27 20:08:21,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f66821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:08:21, skipping insertion in model container [2024-11-27 20:08:21,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:21" (3/3) ... [2024-11-27 20:08:21,916 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i [2024-11-27 20:08:21,946 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:08:21,951 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i that has 68 procedures, 1789 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-27 20:08:22,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:08:22,123 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;@2619a155, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:08:22,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:08:22,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 1788 states, 1363 states have (on average 1.441672780630961) internal successors, (1965), 1394 states have internal predecessors, (1965), 358 states have call successors, (358), 67 states have call predecessors, (358), 66 states have return successors, (350), 348 states have call predecessors, (350), 350 states have call successors, (350) [2024-11-27 20:08:22,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-27 20:08:22,273 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:22,274 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 4, 4, 4, 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] [2024-11-27 20:08:22,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:22,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:22,288 INFO L85 PathProgramCache]: Analyzing trace with hash 560380265, now seen corresponding path program 1 times [2024-11-27 20:08:22,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:22,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25599735] [2024-11-27 20:08:22,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:22,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:09:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:09:04,438 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-27 20:09:04,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:09:04,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25599735] [2024-11-27 20:09:04,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25599735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:09:04,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:09:04,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:09:04,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687810758] [2024-11-27 20:09:04,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:09:04,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:09:04,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:09:04,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:09:04,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:09:04,503 INFO L87 Difference]: Start difference. First operand has 1788 states, 1363 states have (on average 1.441672780630961) internal successors, (1965), 1394 states have internal predecessors, (1965), 358 states have call successors, (358), 67 states have call predecessors, (358), 66 states have return successors, (350), 348 states have call predecessors, (350), 350 states have call successors, (350) Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-27 20:09:05,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:06,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:09:06,572 INFO L93 Difference]: Finished difference Result 5057 states and 7687 transitions. [2024-11-27 20:09:06,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:09:06,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 203 [2024-11-27 20:09:06,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:09:06,669 INFO L225 Difference]: With dead ends: 5057 [2024-11-27 20:09:06,669 INFO L226 Difference]: Without dead ends: 3233 [2024-11-27 20:09:06,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:09:06,717 INFO L435 NwaCegarLoop]: 2632 mSDtfsCounter, 2206 mSDsluCounter, 2609 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2206 SdHoareTripleChecker+Valid, 5241 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:09:06,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2206 Valid, 5241 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 20:09:06,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3233 states. [2024-11-27 20:09:07,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3233 to 3233. [2024-11-27 20:09:07,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3233 states, 2504 states have (on average 1.4213258785942493) internal successors, (3559), 2544 states have internal predecessors, (3559), 608 states have call successors, (608), 121 states have call predecessors, (608), 120 states have return successors, (607), 603 states have call predecessors, (607), 607 states have call successors, (607) [2024-11-27 20:09:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 3233 states and 4774 transitions. [2024-11-27 20:09:07,421 INFO L78 Accepts]: Start accepts. Automaton has 3233 states and 4774 transitions. Word has length 203 [2024-11-27 20:09:07,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:09:07,422 INFO L471 AbstractCegarLoop]: Abstraction has 3233 states and 4774 transitions. [2024-11-27 20:09:07,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-27 20:09:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3233 states and 4774 transitions. [2024-11-27 20:09:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-27 20:09:07,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:09:07,485 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 6, 6, 3, 3, 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] [2024-11-27 20:09:07,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:09:07,486 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:09:07,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:09:07,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1921456431, now seen corresponding path program 1 times [2024-11-27 20:09:07,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:09:07,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827021337] [2024-11-27 20:09:07,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:09:07,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:09:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:09:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-27 20:09:48,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:09:48,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827021337] [2024-11-27 20:09:48,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827021337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:09:48,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:09:48,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:09:48,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109989639] [2024-11-27 20:09:48,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:09:48,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:09:48,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:09:48,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:09:48,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:09:48,805 INFO L87 Difference]: Start difference. First operand 3233 states and 4774 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 20:09:49,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:09:49,260 INFO L93 Difference]: Finished difference Result 6458 states and 9537 transitions. [2024-11-27 20:09:49,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:09:49,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 263 [2024-11-27 20:09:49,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:09:49,301 INFO L225 Difference]: With dead ends: 6458 [2024-11-27 20:09:49,301 INFO L226 Difference]: Without dead ends: 3245 [2024-11-27 20:09:49,323 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 [2024-11-27 20:09:49,325 INFO L435 NwaCegarLoop]: 2597 mSDtfsCounter, 6 mSDsluCounter, 2594 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5191 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:09:49,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 5191 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:09:49,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3245 states. [2024-11-27 20:09:49,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3245 to 3235. [2024-11-27 20:09:49,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3235 states, 2506 states have (on average 1.4209896249002394) internal successors, (3561), 2546 states have internal predecessors, (3561), 608 states have call successors, (608), 121 states have call predecessors, (608), 120 states have return successors, (607), 603 states have call predecessors, (607), 607 states have call successors, (607) [2024-11-27 20:09:49,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3235 states to 3235 states and 4776 transitions. [2024-11-27 20:09:49,590 INFO L78 Accepts]: Start accepts. Automaton has 3235 states and 4776 transitions. Word has length 263 [2024-11-27 20:09:49,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:09:49,591 INFO L471 AbstractCegarLoop]: Abstraction has 3235 states and 4776 transitions. [2024-11-27 20:09:49,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 20:09:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 3235 states and 4776 transitions. [2024-11-27 20:09:49,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-27 20:09:49,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:09:49,643 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 6, 6, 3, 3, 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] [2024-11-27 20:09:49,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:09:49,643 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:09:49,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:09:49,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1465942537, now seen corresponding path program 1 times [2024-11-27 20:09:49,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:09:49,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715890227] [2024-11-27 20:09:49,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:09:49,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:10:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:10:30,968 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-27 20:10:30,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:10:30,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715890227] [2024-11-27 20:10:30,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715890227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:10:30,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:10:30,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:10:30,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434776006] [2024-11-27 20:10:30,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:10:30,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:10:30,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:10:30,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:10:30,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:10:30,982 INFO L87 Difference]: Start difference. First operand 3235 states and 4776 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 20:10:31,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:10:31,319 INFO L93 Difference]: Finished difference Result 6454 states and 9531 transitions. [2024-11-27 20:10:31,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:10:31,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 268 [2024-11-27 20:10:31,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:10:31,359 INFO L225 Difference]: With dead ends: 6454 [2024-11-27 20:10:31,360 INFO L226 Difference]: Without dead ends: 3239 [2024-11-27 20:10:31,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:10:31,383 INFO L435 NwaCegarLoop]: 2600 mSDtfsCounter, 1 mSDsluCounter, 2596 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5196 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:10:31,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5196 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:10:31,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3239 states. [2024-11-27 20:10:31,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3239 to 3237. [2024-11-27 20:10:31,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3237 states, 2508 states have (on average 1.4206539074960127) internal successors, (3563), 2548 states have internal predecessors, (3563), 608 states have call successors, (608), 121 states have call predecessors, (608), 120 states have return successors, (607), 603 states have call predecessors, (607), 607 states have call successors, (607) [2024-11-27 20:10:31,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 3237 states and 4778 transitions. [2024-11-27 20:10:31,611 INFO L78 Accepts]: Start accepts. Automaton has 3237 states and 4778 transitions. Word has length 268 [2024-11-27 20:10:31,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:10:31,612 INFO L471 AbstractCegarLoop]: Abstraction has 3237 states and 4778 transitions. [2024-11-27 20:10:31,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 20:10:31,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 4778 transitions. [2024-11-27 20:10:31,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-27 20:10:31,647 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:10:31,647 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 6, 6, 3, 3, 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] [2024-11-27 20:10:31,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:10:31,648 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:10:31,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:10:31,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1539362573, now seen corresponding path program 1 times [2024-11-27 20:10:31,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:10:31,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672891118] [2024-11-27 20:10:31,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:10:31,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:16,200 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-27 20:11:16,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:16,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672891118] [2024-11-27 20:11:16,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672891118] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:11:16,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846876930] [2024-11-27 20:11:16,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:16,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:16,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:16,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:16,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:12:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:03,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 35198 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:12:03,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-27 20:12:04,044 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:04,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846876930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:04,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:04,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-27 20:12:04,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017681965] [2024-11-27 20:12:04,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:04,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:12:04,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:04,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:12:04,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:12:04,049 INFO L87 Difference]: Start difference. First operand 3237 states and 4778 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 20:12:04,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:04,361 INFO L93 Difference]: Finished difference Result 6454 states and 9596 transitions. [2024-11-27 20:12:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:12:04,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 270 [2024-11-27 20:12:04,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:04,402 INFO L225 Difference]: With dead ends: 6454 [2024-11-27 20:12:04,402 INFO L226 Difference]: Without dead ends: 3237 [2024-11-27 20:12:04,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:12:04,427 INFO L435 NwaCegarLoop]: 2596 mSDtfsCounter, 0 mSDsluCounter, 2589 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5185 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:04,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5185 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:12:04,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3237 states. [2024-11-27 20:12:04,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3237 to 3237. [2024-11-27 20:12:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3237 states, 2508 states have (on average 1.418261562998405) internal successors, (3557), 2548 states have internal predecessors, (3557), 608 states have call successors, (608), 121 states have call predecessors, (608), 120 states have return successors, (607), 603 states have call predecessors, (607), 607 states have call successors, (607) [2024-11-27 20:12:04,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 3237 states and 4772 transitions. [2024-11-27 20:12:04,651 INFO L78 Accepts]: Start accepts. Automaton has 3237 states and 4772 transitions. Word has length 270 [2024-11-27 20:12:04,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:04,652 INFO L471 AbstractCegarLoop]: Abstraction has 3237 states and 4772 transitions. [2024-11-27 20:12:04,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 20:12:04,652 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 4772 transitions. [2024-11-27 20:12:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-27 20:12:04,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:04,688 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:04,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:04,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:04,890 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:04,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:04,891 INFO L85 PathProgramCache]: Analyzing trace with hash -55086653, now seen corresponding path program 1 times [2024-11-27 20:12:04,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:04,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265586549] [2024-11-27 20:12:04,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:04,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-27 20:12:47,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:47,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265586549] [2024-11-27 20:12:47,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265586549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:47,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580295550] [2024-11-27 20:12:47,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:47,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:47,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:47,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:47,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:13:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:37,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 35206 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:13:37,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:37,698 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2024-11-27 20:13:37,698 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:13:37,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580295550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:37,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:13:37,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-27 20:13:37,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940494530] [2024-11-27 20:13:37,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:37,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:13:37,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:37,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:13:37,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:13:37,701 INFO L87 Difference]: Start difference. First operand 3237 states and 4772 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-27 20:13:37,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:37,856 INFO L93 Difference]: Finished difference Result 3241 states and 4776 transitions. [2024-11-27 20:13:37,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:13:37,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 274 [2024-11-27 20:13:37,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:37,893 INFO L225 Difference]: With dead ends: 3241 [2024-11-27 20:13:37,895 INFO L226 Difference]: Without dead ends: 3238 [2024-11-27 20:13:37,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:13:37,899 INFO L435 NwaCegarLoop]: 2598 mSDtfsCounter, 0 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5190 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:37,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5190 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:13:37,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3238 states. [2024-11-27 20:13:38,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3238 to 3238. [2024-11-27 20:13:38,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3238 states, 2509 states have (on average 1.4180948585093662) internal successors, (3558), 2549 states have internal predecessors, (3558), 608 states have call successors, (608), 121 states have call predecessors, (608), 120 states have return successors, (607), 603 states have call predecessors, (607), 607 states have call successors, (607) [2024-11-27 20:13:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 3238 states and 4773 transitions. [2024-11-27 20:13:38,112 INFO L78 Accepts]: Start accepts. Automaton has 3238 states and 4773 transitions. Word has length 274 [2024-11-27 20:13:38,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:38,115 INFO L471 AbstractCegarLoop]: Abstraction has 3238 states and 4773 transitions. [2024-11-27 20:13:38,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-27 20:13:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 4773 transitions. [2024-11-27 20:13:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-27 20:13:38,148 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:38,148 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:38,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:13:38,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:38,349 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:38,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:38,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1377813385, now seen corresponding path program 1 times [2024-11-27 20:13:38,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:38,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553228090] [2024-11-27 20:13:38,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:38,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-27 20:14:19,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:14:19,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553228090] [2024-11-27 20:14:19,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553228090] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:14:19,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827980833] [2024-11-27 20:14:19,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:19,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:14:19,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:14:19,191 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:14:19,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:15:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:07,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 35211 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:15:07,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:12,266 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2024-11-27 20:15:12,266 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:15:12,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827980833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:12,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:12,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-27 20:15:12,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587241784] [2024-11-27 20:15:12,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:12,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:15:12,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:12,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:15:12,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:15:12,270 INFO L87 Difference]: Start difference. First operand 3238 states and 4773 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-27 20:15:12,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:12,807 INFO L93 Difference]: Finished difference Result 8206 states and 12180 transitions. [2024-11-27 20:15:12,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:15:12,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 276 [2024-11-27 20:15:12,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:12,848 INFO L225 Difference]: With dead ends: 8206 [2024-11-27 20:15:12,848 INFO L226 Difference]: Without dead ends: 4988 [2024-11-27 20:15:12,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:15:12,865 INFO L435 NwaCegarLoop]: 2680 mSDtfsCounter, 1445 mSDsluCounter, 5162 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 7842 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:12,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1445 Valid, 7842 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:15:12,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2024-11-27 20:15:13,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4894. [2024-11-27 20:15:13,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4894 states, 3776 states have (on average 1.4253177966101696) internal successors, (5382), 3828 states have internal predecessors, (5382), 912 states have call successors, (912), 206 states have call predecessors, (912), 205 states have return successors, (979), 900 states have call predecessors, (979), 911 states have call successors, (979) [2024-11-27 20:15:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4894 states to 4894 states and 7273 transitions. [2024-11-27 20:15:13,379 INFO L78 Accepts]: Start accepts. Automaton has 4894 states and 7273 transitions. Word has length 276 [2024-11-27 20:15:13,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:13,381 INFO L471 AbstractCegarLoop]: Abstraction has 4894 states and 7273 transitions. [2024-11-27 20:15:13,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-27 20:15:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 4894 states and 7273 transitions. [2024-11-27 20:15:13,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-27 20:15:13,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:13,426 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:13,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:15:13,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:13,627 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:13,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:13,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1120450299, now seen corresponding path program 1 times [2024-11-27 20:15:13,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:13,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776175497] [2024-11-27 20:15:13,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:13,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:58,159 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-27 20:15:58,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:58,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776175497] [2024-11-27 20:15:58,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776175497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:58,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828846677] [2024-11-27 20:15:58,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:58,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:58,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:58,165 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:58,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:16:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:16:47,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 35330 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:16:47,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-27 20:16:48,199 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:16:48,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828846677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:16:48,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:16:48,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-27 20:16:48,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524816044] [2024-11-27 20:16:48,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:16:48,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:16:48,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:48,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:16:48,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:16:48,203 INFO L87 Difference]: Start difference. First operand 4894 states and 7273 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-27 20:16:50,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:50,131 INFO L93 Difference]: Finished difference Result 14398 states and 21397 transitions. [2024-11-27 20:16:50,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:16:50,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 311 [2024-11-27 20:16:50,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:50,237 INFO L225 Difference]: With dead ends: 14398 [2024-11-27 20:16:50,237 INFO L226 Difference]: Without dead ends: 9524 [2024-11-27 20:16:50,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:16:50,276 INFO L435 NwaCegarLoop]: 2813 mSDtfsCounter, 2508 mSDsluCounter, 2459 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2508 SdHoareTripleChecker+Valid, 5272 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:50,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2508 Valid, 5272 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 20:16:50,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9524 states. [2024-11-27 20:16:50,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9524 to 9517. [2024-11-27 20:16:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9517 states, 7353 states have (on average 1.427172582619339) internal successors, (10494), 7459 states have internal predecessors, (10494), 1754 states have call successors, (1754), 410 states have call predecessors, (1754), 409 states have return successors, (1877), 1729 states have call predecessors, (1877), 1753 states have call successors, (1877) [2024-11-27 20:16:50,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9517 states to 9517 states and 14125 transitions. [2024-11-27 20:16:50,876 INFO L78 Accepts]: Start accepts. Automaton has 9517 states and 14125 transitions. Word has length 311 [2024-11-27 20:16:50,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:50,877 INFO L471 AbstractCegarLoop]: Abstraction has 9517 states and 14125 transitions. [2024-11-27 20:16:50,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-27 20:16:50,877 INFO L276 IsEmpty]: Start isEmpty. Operand 9517 states and 14125 transitions. [2024-11-27 20:16:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-27 20:16:50,951 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:50,951 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:51,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 20:16:51,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:51,153 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:16:51,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:51,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1746885501, now seen corresponding path program 1 times [2024-11-27 20:16:51,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:51,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353078841] [2024-11-27 20:16:51,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:16:51,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:17:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:17:30,940 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-27 20:17:30,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:17:30,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353078841] [2024-11-27 20:17:30,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353078841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:17:30,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60112771] [2024-11-27 20:17:30,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:17:30,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:17:30,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:17:30,944 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:17:30,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:18:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:14,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 35330 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:18:14,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:18:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 73 proven. 1 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-27 20:18:14,576 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:18:16,231 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-27 20:18:16,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60112771] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:18:16,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:18:16,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-27 20:18:16,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441886369] [2024-11-27 20:18:16,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:18:16,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:18:16,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:16,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:18:16,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:18:16,236 INFO L87 Difference]: Start difference. First operand 9517 states and 14125 transitions. Second operand has 7 states, 7 states have (on average 31.285714285714285) internal successors, (219), 7 states have internal predecessors, (219), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2024-11-27 20:18:16,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:18:16,887 INFO L93 Difference]: Finished difference Result 19062 states and 28295 transitions. [2024-11-27 20:18:16,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:18:16,889 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 31.285714285714285) internal successors, (219), 7 states have internal predecessors, (219), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 311 [2024-11-27 20:18:16,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:18:16,965 INFO L225 Difference]: With dead ends: 19062 [2024-11-27 20:18:16,965 INFO L226 Difference]: Without dead ends: 9565 [2024-11-27 20:18:17,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:18:17,008 INFO L435 NwaCegarLoop]: 2597 mSDtfsCounter, 2 mSDsluCounter, 7779 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10376 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:18:17,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10376 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:18:17,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9565 states. [2024-11-27 20:18:17,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9565 to 9565. [2024-11-27 20:18:17,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9565 states, 7401 states have (on average 1.4244021078232671) internal successors, (10542), 7507 states have internal predecessors, (10542), 1754 states have call successors, (1754), 410 states have call predecessors, (1754), 409 states have return successors, (1877), 1729 states have call predecessors, (1877), 1753 states have call successors, (1877) [2024-11-27 20:18:17,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9565 states to 9565 states and 14173 transitions. [2024-11-27 20:18:17,475 INFO L78 Accepts]: Start accepts. Automaton has 9565 states and 14173 transitions. Word has length 311 [2024-11-27 20:18:17,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:18:17,476 INFO L471 AbstractCegarLoop]: Abstraction has 9565 states and 14173 transitions. [2024-11-27 20:18:17,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 31.285714285714285) internal successors, (219), 7 states have internal predecessors, (219), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2024-11-27 20:18:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand 9565 states and 14173 transitions. [2024-11-27 20:18:17,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-11-27 20:18:17,535 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:18:17,535 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:17,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:18:17,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:18:17,736 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:18:17,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:17,737 INFO L85 PathProgramCache]: Analyzing trace with hash 196360177, now seen corresponding path program 2 times [2024-11-27 20:18:17,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:17,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321019795] [2024-11-27 20:18:17,737 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:18:17,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:51,227 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:18:51,228 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:18:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-11-27 20:18:54,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:54,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321019795] [2024-11-27 20:18:54,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321019795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:54,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:54,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:18:54,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307678293] [2024-11-27 20:18:54,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:54,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:54,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:54,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:54,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:54,517 INFO L87 Difference]: Start difference. First operand 9565 states and 14173 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-27 20:18:55,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:18:55,273 INFO L93 Difference]: Finished difference Result 19454 states and 28843 transitions. [2024-11-27 20:18:55,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:55,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 317 [2024-11-27 20:18:55,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:18:55,352 INFO L225 Difference]: With dead ends: 19454 [2024-11-27 20:18:55,352 INFO L226 Difference]: Without dead ends: 9909 [2024-11-27 20:18:55,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:55,400 INFO L435 NwaCegarLoop]: 2642 mSDtfsCounter, 78 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 5234 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:18:55,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 5234 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:18:55,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9909 states. [2024-11-27 20:18:55,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9909 to 9581. [2024-11-27 20:18:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9581 states, 7417 states have (on average 1.4240258864770123) internal successors, (10562), 7523 states have internal predecessors, (10562), 1754 states have call successors, (1754), 410 states have call predecessors, (1754), 409 states have return successors, (1877), 1729 states have call predecessors, (1877), 1753 states have call successors, (1877) [2024-11-27 20:18:55,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9581 states to 9581 states and 14193 transitions. [2024-11-27 20:18:55,907 INFO L78 Accepts]: Start accepts. Automaton has 9581 states and 14193 transitions. Word has length 317 [2024-11-27 20:18:55,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:18:55,909 INFO L471 AbstractCegarLoop]: Abstraction has 9581 states and 14193 transitions. [2024-11-27 20:18:55,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-27 20:18:55,910 INFO L276 IsEmpty]: Start isEmpty. Operand 9581 states and 14193 transitions. [2024-11-27 20:18:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-11-27 20:18:55,973 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:18:55,973 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:55,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:18:55,974 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:18:55,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:55,976 INFO L85 PathProgramCache]: Analyzing trace with hash -970754992, now seen corresponding path program 1 times [2024-11-27 20:18:55,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:55,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546301078] [2024-11-27 20:18:55,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:55,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:19:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:19:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-27 20:19:32,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:19:32,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546301078] [2024-11-27 20:19:32,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546301078] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:19:32,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976103956] [2024-11-27 20:19:32,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:19:32,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:19:32,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:32,394 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:19:32,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:20:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:20:14,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 35479 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:20:14,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:20:14,664 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 73 proven. 16 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-27 20:20:14,664 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:20:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-27 20:20:16,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976103956] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:20:16,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:20:16,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2024-11-27 20:20:16,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429415780] [2024-11-27 20:20:16,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:20:16,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 20:20:16,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:20:16,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 20:20:16,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:20:16,985 INFO L87 Difference]: Start difference. First operand 9581 states and 14193 transitions. Second operand has 14 states, 14 states have (on average 17.071428571428573) internal successors, (239), 14 states have internal predecessors, (239), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2024-11-27 20:20:20,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:20:20,116 INFO L93 Difference]: Finished difference Result 19630 states and 29015 transitions. [2024-11-27 20:20:20,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 20:20:20,117 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 17.071428571428573) internal successors, (239), 14 states have internal predecessors, (239), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 319 [2024-11-27 20:20:20,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:20:20,182 INFO L225 Difference]: With dead ends: 19630 [2024-11-27 20:20:20,182 INFO L226 Difference]: Without dead ends: 10069 [2024-11-27 20:20:20,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 628 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=396, Invalid=726, Unknown=0, NotChecked=0, Total=1122 [2024-11-27 20:20:20,223 INFO L435 NwaCegarLoop]: 2593 mSDtfsCounter, 31 mSDsluCounter, 7771 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 10364 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:20:20,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 10364 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:20:20,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10069 states. [2024-11-27 20:20:20,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10069 to 9877. [2024-11-27 20:20:20,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9877 states, 7713 states have (on average 1.40879035394788) internal successors, (10866), 7819 states have internal predecessors, (10866), 1754 states have call successors, (1754), 410 states have call predecessors, (1754), 409 states have return successors, (1877), 1729 states have call predecessors, (1877), 1753 states have call successors, (1877) [2024-11-27 20:20:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9877 states to 9877 states and 14497 transitions. [2024-11-27 20:20:20,649 INFO L78 Accepts]: Start accepts. Automaton has 9877 states and 14497 transitions. Word has length 319 [2024-11-27 20:20:20,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:20:20,650 INFO L471 AbstractCegarLoop]: Abstraction has 9877 states and 14497 transitions. [2024-11-27 20:20:20,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.071428571428573) internal successors, (239), 14 states have internal predecessors, (239), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2024-11-27 20:20:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 9877 states and 14497 transitions. [2024-11-27 20:20:20,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2024-11-27 20:20:20,704 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:20:20,705 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 8, 8, 8, 8, 8, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:20:20,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 20:20:20,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f310be-c0a9-41dc-8400-0eac3e326777/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 20:20:20,906 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:20:20,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:20:20,908 INFO L85 PathProgramCache]: Analyzing trace with hash -793678184, now seen corresponding path program 2 times [2024-11-27 20:20:20,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:20:20,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74238138] [2024-11-27 20:20:20,909 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:20:20,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms